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2. Top Tier Detergent Gasoline - Wikipedia

   en.wikipedia.org/wiki/Top_Tier_Detergent_Gasoline

   The new EPA standards required lower levels of detergent additives than were then being used by a few major fuel marketers. When the new regulations came in, most gasoline marketers who had previously provided higher levels of detergents reduced the level of detergents in their gasolines to meet the new standard. [ 16 ]

3. Car Talk: Do Gasoline-Saving Engine Additives Work?

   www.aol.com/news/2011-04-05-car-talk-do-gasoline...

   The price of gasoline jumps to stratospheric levels in the states, and the search is on for a wonder engine additive that will substantially increase gas mileage. While some products.

4. List of gasoline additives - Wikipedia

   en.wikipedia.org/wiki/List_of_gasoline_additives

   Fuel additives in the United States are regulated under section 211 of the Clean Air Act (as amended in January 1995). The Environmental Protection Agency (EPA) requires the registration of all fuel additives which are commercially distributed for use in highway motor vehicles in the United States, [8] and may require testing and ban harmful additives.

5. Cetane improver - Wikipedia

   en.wikipedia.org/wiki/Cetane_improver

   By reducing ignition time, cetane improver additives affect engine emissions, [10] and guarantee: [11] Lower fuel consumption: as the fuel takes longer to burn completely, less fuel needs to be injected for the same performance; Quicker start-up with less smoke: easier and faster combustion affects smoke emissions, especially on the long term

6. Antiknock agent - Wikipedia

   en.wikipedia.org/wiki/Antiknock_agent

   It also allows old cars, designed to use leaded fuel, to run on unleaded fuel without the need for additives to prevent valve stem erosion. A large Canadian study from 2002 (funded by automakers, who are against its use) concluded that MMT impairs the effectiveness of automobile emission controls and increases pollution from motor vehicles.

7. Fuel saving device - Wikipedia

   en.wikipedia.org/wiki/Fuel_saving_device

   Fuel-saving devices are sold on the aftermarket with claims they may improve the fuel economy, the exhaust emissions, or optimize ignition, air flow, or fuel flow of automobiles in some way. An early example of such a device sold with difficult-to-justify claims is the 200 mpg ‑US (1.2 L/100 km) carburetor designed by Canadian inventor ...