Regan Brown
The 1920s saw a boom in the automotive industry, which led to heavy competition in the petroleum industry and a subsequent drop in gasoline prices. Cars in the 1920s predominantly ran on gasoline, but there were also blends of gasoline with ethanol, methanol, and other alcohols. These blends were considered superior to gasoline due to their anti-knock properties and ability to support higher compression, resulting in increased power. However, the use of ethanol and other alcohol blends faced opposition due to taxation and marketing challenges.
| Characteristics | Values |
|---|---|
| Fuel Type | Gasoline |
| Fuel Efficiency | 14 miles per gallon |
| Alternative Fuels | Ethanol, alcohol, leaded gasoline |
| Fuel Price | Reached an all-time high of 28 cents per gallon |
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What You'll Learn
Gasoline prices fell due to heavy competition in the petroleum industry
Cars in the 1920s ran on gasoline or diesel fuel, with the former being the more common option. Gasoline was typically purchased in one- or five-gallon cans, which the user would then funnel into their car. However, "filling stations" began to appear, specialising in filling cars' tanks with gasoline. These stations were often tied to specific gasoline companies, which competed with one another.
The petroleum industry was growing throughout the interwar period, and by the 1930s, crude petroleum dominated the real value of energy material production. This growth was driven by the increasing demand for petroleum, which was, in turn, fuelled by the rise of the automobile. The development of new oil fields and the intense competition between petroleum companies to pump as much petroleum as possible to increase their market share led to an industry with highly volatile prices and output.
The introduction of the cracking process in 1913 by a chemist at Standard Oil of Indiana revolutionised the industry. This new process used pressurised heating to break down heavier components in crude oil into lighter derivatives, allowing for a greater yield of gasoline per barrel of crude oil. Further improvements to the process by chemists at Standard Oil of New Jersey in the early 1920s meant that by 1927, it was possible to obtain twice as much gasoline from a barrel of crude petroleum as in 1917. This increase in supply likely contributed to falling gasoline prices.
Additionally, the introduction of high-octane gasoline in 1926 by Sinclair Oil, with its 72-octane auto fuel, further intensified the competition in the industry. This new fuel was better than anything else on the market at the time and was used by several racing internal combustion vehicles for promotional purposes. The combination of improved refining processes, increasing supply, and intense competition between petroleum companies all contributed to falling gasoline prices in the 1920s.
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$82.9 $89.9
Leaded gasoline was marketed
The automotive boom of the 1920s caused heavy competition in the petroleum industry, which steadily eroded gasoline prices. During this time, there was a conflict between the use of leaded gasoline and alternative fuels. In 1923, leaded gasoline was marketed, and it was claimed that it had solved" the problem of engine knock. However, public health scientists were concerned about the potential for lead poisoning and advocated for alternative fuels such as ethanol blends.
Ethanol, an alcohol fuel, has been known to be an effective fuel for internal combustion engines used in cars, trucks, and other machinery. It was first isolated from wine in approximately 1100 and found to burn soon after. The development of the cooling coil in the 13th century allowed for the isolation of nearly pure ethanol by distillation. By the 17th century, small alcohol stoves, or "spirit lamps," were commonly used by travellers to warm food and themselves.
In the 1920s, the benefits of using ethanol in engines were recognised, including its clean-burning properties and the potential for higher compression. Thomas Midgley, a mechanical engineer at General Motors, promoted the use of ethanol, highlighting its advantages over gasoline. Despite this, early US automobiles were adapted to use gasoline due to its cheaper price and the high taxes on ethanol.
During the 1920s, several blends of gasoline and ethanol were used in different countries. These blends included Koolmotor in Britain, Benzalcool in Italy, Moltaco in Hungary, Lattybentyl in Sweden, Natelite in South Africa, and Agrol in Brazil. In 1923, the French assembly passed the Carburant National law, which required gasoline importers to buy alcohol for 10% blends from the State Alcohol Service. This influenced other nations to enact similar laws, and by the mid-1920s, ethyl alcohol was blended with gasoline in every industrialized nation.
While leaded gasoline was marketed in the 1920s, there was ongoing research and discussion about alternative fuels, such as ethanol blends, due to concerns about lead poisoning and the benefits offered by ethanol.
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Alcohol blends were superior to gasoline
In the 1920s, cars used gasoline as fuel. However, even back then, there was a growing interest in using ethanol as an additive to gasoline. Today, ethanol is widely used as an additive or alternative fuel in countries like Brazil, China, and the United States.
Superior Engine Performance
Alcohol blends, particularly ethanol, have been proven to enhance engine performance. Thomas Midgley, a General Motors mechanical engineer, demonstrated the benefits of ethanol over gasoline. He highlighted that ethanol allows for "clean burning and freedom from any carbon deposit," and enables "tremendously high compression under which alcohol will operate without knocking." The higher compression results in greater available horsepower compared to gasoline.
Reduced Harmful Exhaust Emissions
Ethanol blends also contribute to a reduction in harmful exhaust emissions. Research has shown that as the concentration of ethanol increases, there is a corresponding decrease in harmful exhaust gases. This makes ethanol blends more environmentally friendly than pure gasoline.
Fuel Efficiency
The addition of propanol to gasoline blends can improve fuel efficiency. Propanol contains about 27.6% of oxygen by mass, and when mixed with gasoline, it produces a lean mixture that enhances combustion. This leads to improved thermal efficiency, especially in spark-ignition engines.
Cost-Effectiveness
Alcohol blends are more cost-effective than gasoline due to their cheaper price. Additionally, alcohol, acting as a fuel detergent, can help remove gum and deposits from fuel systems, reducing the need for separate fuel additives.
Challenges and Future Directions
Despite the advantages of alcohol blends, there are some challenges and areas that require further research. One concern is the potential for engine degradation in older engines due to the alcohol's solvent properties. Additionally, the stability and catalytic efficiency of enzymes used in biofuel production need improvement to make large-scale biofuel production more viable.
In conclusion, alcohol blends offer superior engine performance, reduced emissions, improved fuel efficiency, and cost savings compared to gasoline. However, ongoing research and development are necessary to optimize the properties of alcohol fuel and address any potential drawbacks associated with its use in certain engine types.
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The US had 6.7 billion barrels of oil remaining in 1920
In the 1920s, cars were fuelled primarily by gasoline, which was cheap and abundant. However, ethanol and other alcohol fuels were also used, particularly in racing cars, as they allowed for more power to be developed in a smaller, lighter engine. The French Assembly passed the Carburant National law in 1923, which required gasoline importers to buy alcohol for 10% blends from the State Alcohol Service. This had a significant influence on other nations, who began to enact similar laws. By the mid-1920s, ethyl alcohol was being blended with gasoline in every industrialized nation.
In the US, the use of ethanol as a fuel was suggested after the Prohibition of beverage alcohol in 1919. In 1920, David White, chief geologist of the US Geological Survey, estimated that a total of 6.7 billion barrels of oil remained in the US. This estimate included both proved reserves and resources yet to be discovered, and White noted that it might be up to 25% inaccurate. The postwar period saw an expansion of the oil industry, with new discoveries in the midcontinent region, the Gulf Coast, and California, leading to an oil surplus by the mid-1920s.
Despite this, oil shortages in 1919 and 1920 had caused concern about the potential exhaustion of domestic supplies within a decade. These shortages, along with the apparent insufficiency of energy resources, prompted Congress to pass the Mineral Leasing Act in February 1920, opening up public mineral lands to development. The Survey, under White and his successor Walter C. Mendenhall, devoted significant efforts to energy minerals research, including the source materials of petroleum and the physical properties of reservoir rocks.
The US has historically been a major producer and consumer of oil and petroleum products. In 2007, the US consumed 18.8 million barrels of petroleum products per day and imported 8.4 million barrels, accounting for nearly 50% of the US trade deficit that year. In 2011, US net imports of oil and petroleum products were 45%. US oil production saw a record increase in 2012, and by April 2013, US crude production was at a more than 20-year high, aided by the shale gas and tight oil boom. In 2018, the US became the world's top crude oil producer, a position it has maintained since.
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The French assembly passed the Carburant National law in 1923
In the 1920s, cars primarily ran on gasoline. However, this decade also witnessed the emergence of alternative fuels and additives, such as ethanol, which was touted for its potential to enhance engine performance and reduce knocking. The French assembly's passage of the Carburant National Law in 1923 likely reflected these evolving trends in automotive fuel. Unfortunately, I couldn't find specific information about the Carburant National Law.
During the 1920s, the automotive industry was exploring ways to improve engine performance and efficiency. One notable development was the consideration of ethanol as an additive to gasoline. Ethanol offered several advantages, including cleaner burning and the prevention of engine knocking. Thomas Midgley, a mechanical engineer at General Motors, advocated for the use of ethanol, highlighting its ability to support higher compression ratios and increase horsepower compared to gasoline.
The roots of the opposition to ethanol by the oil industry can be traced back to this decade. Despite the potential benefits of ethanol, the oil industry, often referred to as "Big Oil," has been engaged in a long-standing battle against the ethanol industry. This conflict dates back to the 1920s, specifically to 1921, when ethanol first emerged as a viable additive to gasoline.
The French assembly's passage of the Carburant National Law in 1923 may have been influenced by these advancements and the ongoing debate surrounding ethanol. While the specific provisions of the law are unclear, it likely addressed the growing interest in alternative fuels and the need to regulate the composition of automotive fuels.
The law's name, "Carburant National Law," suggests that it pertained to the regulation of fuel in France. The term "carburant" translates to "fuel," indicating that the law was related to fuel standards or regulations. Unfortunately, further details about the specific provisions and impact of this law are not readily available.
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Frequently asked questions
Cars in the 1920s used gasoline, also known as petrol.
No. There were blends of gasoline with ethanol, methanol, and other chemicals.
Gasoline blends were used to prevent engine knocking and to support higher compression.
Alternatives included ethanol, methanol, and synthetic fuels made from coal.
Ethanol and methanol were not widely used due to taxation, phase separation, and cold starting issues.
