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When did gasoline become unleaded?
What happened to unleaded gasoline?
When did leaded gasoline stop being used?
When did unleaded gas become a standard?
Dec 22, 2023 · Unleaded gasoline was introduced in the 1970s when health problems from lead became apparent. In the United States, leaded gasoline for use in on-road vehicles was completely phased out as of January 1, 1996. Most other countries have also stopped using leaded gasoline in vehicles.
- The History of Leaded and Unleaded Gas
- The Issue with Lead
- What Came After The Leaded Gasoline Ban?
- Where to Find High-Quality Unleaded Gas and Other Bulk Fuels
By the 1950s, cars began to increase in size and use. This created an increase in octane and fuel companies began adding lead to improve engine performance. However, research in the 1960s and 1970s connected lead to many now well-known neurological problems, resulting in its phase out into the 1980s. This is where the term “unleaded gas” became the...
As briefly covered above, gas once included lead, which was a known toxic chemical as early as the late 1800s and early 1900s. Children who ate paint chips with lead would develop neurological problems, fall into comas, and develop other serious conditions. So, when lead was added to gasoline in 1922, it immediately drew scrutiny for public health ...
These efforts were rewarded when a study in 2002 found that lead levels in children had dropped by 80 percent from 1976 to 1999 in the United States. Also, children with less lead in their blood had higher IQs and greater economic productivity. In 2008, the EPA reduced the acceptable amount of lead again to 0.15 parts per million. This is about 10 ...
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May 31, 2018 · Virtually overnight, “Fill it up unleaded” became the request at gas stations across America. Eventually, leaded gas became illegal in roadgoing vehicles, first in California in 1992 and then...
- Contributing Editor
Apr 14, 2022 · Just after leaded gasoline was introduced to the market in 1923, New York City banned leaded gasoline for over three years, as did many U.S. states and municipalities for shorter periods in the mid-1920s. In 1925, the production of leaded gasoline was halted for over nine months.
Aug 30, 2021 · In the United States, the Environmental Protection Agency started an effort to phase out leaded gasoline in 1973. Starting in the 1970s, new vehicles were designed to run on unleaded gasoline.
- Camila Domonoske
The lead phasout begins, and by June 1979, nearly half of all US gasoline is unleaded. 1978 — Energy Tax Act creates ethanol tax incentive, expanding use of ethanol anti-knock fuel additives in US. 1977 — Testing by public health scientists shows correlations between high levels of lead in children’s blood and brain damage, hypertention ...
Dec 8, 2021 · On the frosty morning of Dec. 9, 1921, in Dayton, Ohio, researchers at a General Motors lab poured a new fuel blend into one of their test engines. Immediately, the engine began running...
