Regan Brown
There is an ongoing debate about whether cars are becoming more fuel-efficient. While automakers claim that their vehicles' fuel efficiency is improving, there is little evidence to support this. The Royal Commission on Environmental Pollution in Britain found that while fuel economy improved during the oil shock of the late 1970s and early 1980s, it has since worsened. This is partly due to consumers continuing to favour SUVs over small cars, and the limitations of conventional car technology in terms of balancing emissions, mileage, performance, and engine longevity. However, automakers are working on innovations such as gasoline direct fuel injection and stop/start systems to improve fuel economy, and electric vehicles are also becoming more popular.
| Characteristics | Values |
|---|---|
| Fuel efficiency of cars | Fuel efficiency of cars has improved over time, but there is little indication that the cars we drive are becoming more fuel-efficient. |
| Fuel economy | The fuel economy of new British cars improved during the oil shock of the late 1970s and early 1980s, but it has worsened since. |
| Average fuel consumption | The average fuel consumption of Australian passenger vehicles has hovered between 11 and 12 litres per 100 km. |
| Government regulations | Government regulations have played a role in reducing smog-causing tailpipe emissions, but these regulations targeted car companies and not consumers directly. |
| Consumer behaviour | Consumers continue to favour SUVs over small cars, and there is a perception that electric vehicles are less attractive to typical motorists. |
| Technological advancements | Automakers have introduced innovations such as gasoline direct fuel injection, automatic transmissions with more gear ratios, turbocharged engines, and stop/start systems to improve fuel efficiency. |
| Electric vehicles | All-electric vehicles are considered the future, but they haven't made a significant impact on the market yet due to factors such as consumer preferences and pricing. |
| Test procedures | Flawed test procedures and 'flexibilities' have led to optimistic laboratory fuel efficiency figures, with a gap between claimed and actual fuel economy. |
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What You'll Learn
Electric vehicles are the future
While cars have traditionally been defined by a fuel-burning engine and a human driver, this is changing. Electric vehicles (EVs) are the future, and they will drastically alter the mobility landscape.
The transition to electric vehicles is well underway, with new EV makers springing up globally and traditional automakers retooling to focus on electric. In 2021, sales of electric vehicles nearly doubled to 6.6 million, bringing the total number of electric cars on the road to 16.5 million. This shift is a fundamental one, disrupting labour markets, supply chains, and commodity markets.
The future of electric vehicles will be characterized by electrification and autonomy, with ridesharing becoming more common and the potential elimination of the need to own personal cars. Autonomous trucks could travel in convoys, improving road capacity. Roads may even be embedded with wireless charging coils, allowing EVs to charge on the move.
However, several challenges must be overcome to realize the electric vehicle future. Firstly, battery production and infrastructure for charging EVs need significant expansion. Secondly, the materials required to manufacture EVs, such as lithium, cobalt, nickel, and rare earth metals, are not readily available in vast supply. Finally, the cost of purchasing and maintaining EVs needs to become more competitive with gasoline cars. As remote work becomes more prevalent and driving habits change, consumers may be less inclined to invest in new vehicles, electric or otherwise.
Despite these challenges, the trajectory of the automotive industry continues to lean towards electrification. Automakers are increasingly adding EVs to their lineups, and some have committed to ending gasoline car sales by 2035. Analysts predict that electric vehicles could make up nearly half of global car sales by 2035, with advanced autonomous vehicles comprising a significant share by 2040.
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Gasoline-powered cars are still popular
While the development of electric vehicles (EVs) is a priority for automakers, gasoline-powered cars are still popular and in demand. This is despite the push for EVs and the growing number of competitive options in the market. Gasoline-powered vehicles continue to grow in volume, with data showing that in the third quarter of 2023, there were 265.7 million gasoline/flex vehicles in operation in the United States, up from 264.5 million in the same quarter of 2022. This accounts for a 92.1% share of the total vehicles in operation in the country.
There are several reasons why gasoline-powered cars remain popular. Firstly, they are often more affordable than their electric counterparts. The average list price of an EV is $63,000, while the average price of a gasoline-powered car is $48,000. This price difference is significant and can be a deciding factor for many consumers. Additionally, consumers are learning about the shortcomings of EVs, such as higher insurance costs and reduced reliability compared to gasoline vehicles.
Another factor contributing to the popularity of gasoline-powered cars is the convenience they offer. Gasoline cars have quick fill-ups, and range is not an issue, as it can be with electric vehicles. The availability of charging stations for EVs is still a concern for drivers, impacting their decision to switch from gasoline to electric. Furthermore, the infrastructure for gasoline vehicles is already well-established, with a widespread network of fuel stations.
Gasoline-powered vehicles also benefit from their familiarity and traditional appeal. Automakers are finding ways to extend the life of these iconic cars, such as modifying existing platforms, upgrading powertrains, and preserving manual transmissions. For example, Ford's Mustang team made a strong business case for extending the life of the traditional Mustang coupe, even as the company focuses on EVs with the Mustang Mach-E electric crossover.
While there is a growing trend towards electrification, it is important to recognize that gasoline-powered cars still have a significant presence in the market. Automakers must balance their portfolios and continue to update their gasoline-powered offerings to remain competitive, especially as electric vehicles become more prevalent.
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Fuel efficiency vs consumer demand
Fuel efficiency and consumer demand are two critical factors that shape the automotive industry's trajectory. While advancements in technology have led to improvements in fuel efficiency, consumer preferences and behaviours play a significant role in the overall environmental impact of vehicles.
On the one hand, the push for greater fuel efficiency has driven innovation in the industry. Improvements in engines, transmissions, aerodynamics, and weight reduction have contributed to more fuel-efficient vehicles. For example, the redesigned 2019 Toyota Avalon incorporated weight reduction, fuel-efficient tires, and refined aerodynamics, showcasing the potential for enhanced fuel efficiency without compromising performance.
However, consumer demand presents a complex dynamic in the equation. Despite advancements in fuel efficiency, consumer preferences for larger vehicles, such as pickups, SUVs, and light trucks, have increased. This shift in demand poses challenges to fuel efficiency gains, as these vehicles inherently consume more fuel due to their size and weight. Additionally, cheaper gas prices reinforce the appeal of these less fuel-efficient vehicles, creating a cycle that works against the goal of reducing fuel consumption.
Moreover, while automakers have made strides in developing ultra-efficient vehicles, consumer uptake of these models has been lacklustre. Hybrid and all-electric vehicles, despite their environmental benefits, have experienced weak demand in certain markets, such as the United States. This trend underscores the disconnect between fuel efficiency advancements and consumer preferences, indicating that simply creating more efficient cars does not guarantee widespread adoption.
To bridge this gap, a multifaceted approach is necessary. Firstly, continued innovation in engine technology and vehicle design is crucial, with a focus on electrification and renewable energy sources. Secondly, addressing consumer behaviour and preferences is essential. This may involve making high-efficiency vehicles more appealing to motorists, such as improving performance and addressing range anxiety associated with electric vehicles. Lastly, policy interventions and incentives can play a pivotal role in encouraging the adoption of fuel-efficient vehicles, ensuring that both industry and consumers are aligned in the transition towards a more sustainable future.
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Government regulations and incentives
To encourage the adoption of fuel-efficient vehicles, the US federal government offers various incentives, including tax credits for consumers who purchase certain types of vehicles. The size of the tax credit is typically proportional to the additional cost of the technology, with more expensive vehicles in the early stages of development receiving larger credits. For example, hydrogen fuel cell vehicles may receive a larger tax credit compared to cheaper diesel cars. Additionally, the federal government provides tax credits for diesel-powered car buyers as diesel engines are generally more fuel-efficient and can run on cleaner blends of diesel fuel. Certain Volkswagen diesel models are pre-approved for tax credits ranging from $1,000 to $1,700.
In addition to federal incentives, many states have implemented their own programs to promote fuel-efficient vehicles. These incentives vary by state and include additional tax credits, insurance discounts, reduced car registration fees, and free parking for electric vehicles. Some states, like California, offer rebates for taxpayers who purchase electric or plug-in hybrid vehicles through programs like the Clean Vehicle Rebate Project (CVRP). California also allows an unlimited number of electric and plug-in hybrids to access HOV lanes. Other states, like Colorado, provide grants of up to $5,000 for consumers who purchase electric vehicles. These state-level programs aim to reduce negative externalities such as air pollution and increase access to cleaner vehicles for low-income families.
The combination of stringent CAFE standards and government incentives is expected to accelerate the demand for electric vehicles and reduce the country's dependence on fossil fuels. According to the Transportation Research Board, upholding these standards is crucial for the US to meet its commitments under the Paris Agreement and avoid the worst impacts of global warming.
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Test procedure flaws
Fuel efficiency tests for cars have come under scrutiny in recent years, with allegations that carmakers are exploiting loopholes and test procedure flaws to produce favourable but unrealistic results. These manipulations result in fuel efficiency figures that are significantly higher than what drivers achieve in real-world conditions.
One of the main test procedure flaws is the use of inconsistent and inadequate testing and checks on production vehicles. This allows carmakers to employ various tricks to manipulate the results. For example, they may strip down the car to reduce its weight, overinflate the tyres, or test the vehicles at high altitudes with thinner air, which can artificially boost fuel efficiency numbers.
Another flaw is the lack of transparency in raw mileage and emission data from carmakers. They often only advertise combined figures from laboratory tests and other types of tests, without providing the detailed breakdown of results. This makes it difficult to verify the accuracy of their claims and compare different vehicles' fuel efficiency under real-world driving conditions.
The testing procedures themselves have also been criticised as being outdated and not reflective of modern driving conditions. The New European Driving Cycle, the official mileage test, was established 30 years ago and may not account for the advancements in vehicle technology and changes in driving patterns since then.
Furthermore, there is a potential conflict of interest when manufacturers pay the organisations undertaking and certifying the tests. This raises questions about the independence and objectivity of the testing process, as there may be financial incentives to produce favourable results for the carmakers.
To address these flaws, there have been calls for stricter test procedures that close loopholes and ensure that carmakers cannot manipulate the results. Introducing more realistic and comprehensive tests that accurately represent typical car usage in Europe and other regions is essential. By improving the transparency and rigour of fuel efficiency tests, consumers, legislators, and environmental advocates can make more informed decisions and hold car manufacturers accountable for their claims.
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Frequently asked questions
Yes, automakers are improving the fuel efficiency of their vehicles. However, consumers continue to favour SUVs over smaller, more fuel-efficient cars.
Governments could push people towards more fuel-efficient cars by adding a surcharge to SUVs or increasing the price of gas. However, these options are not considered likely to be implemented. Incentives for electric vehicles are another option, but these have not yet made a significant impact on the market.
Automakers have been working on a range of innovations to improve fuel efficiency, including gasoline direct fuel injection, automatic transmissions with more gear ratios, turbocharged engines, and stop/start systems that shut off the engine instead of allowing it to idle.
