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  2. Fuel injection in NASCAR - Wikipedia

    en.wikipedia.org/wiki/Fuel_injection_in_NASCAR

    The stock car racing organization has a special authorization code that keeps hackers away from tampering with the vehicles using workaround programs. [4] [5] [6] Since the cars run on Sunoco's Green E15 fuel mixture, the new fuel delivery system will move the Sprint Cup Series towards more alternative fuels.

  3. List of gasoline additives - Wikipedia

    en.wikipedia.org/wiki/List_of_gasoline_additives

    The act also requires deposit control additives (DCAs) be added to all petrol. This type of additive is a detergent additive that acts as a cleansing agent in small passages in the carburetor or fuel injectors. This in turn serves to ensure a consistent air and fuel mixture that will contribute to better gas mileage.

  4. Gasoline direct injection - Wikipedia

    en.wikipedia.org/wiki/Gasoline_direct_injection

    Gasoline direct injection (GDI), also known as petrol direct injection (PDI), [1] is a mixture formation system for internal combustion engines that run on gasoline (petrol), where fuel is injected into the combustion chamber. This is distinct from manifold injection systems, which inject fuel into the intake manifold (inlet manifold).

  5. Antiknock agent - Wikipedia

    en.wikipedia.org/wiki/Antiknock_agent

    Toluene at 100% can be used as a fuel for both two-stroke and four-stroke engines; however, due to the density of the fuel and other factors, the fuel does not vaporize easily unless preheated to 70 degrees Celsius (Honda accomplished this in their Formula 1 cars by routing the fuel lines through the exhaust system to heat the fuel).

  6. Tetraethyllead - Wikipedia

    en.wikipedia.org/wiki/Tetraethyllead

    From 1 January 1996, the U.S. Clean Air Act banned the sale of leaded fuel for use in on-road vehicles although that year the US EPA indicated that TEL could still be used in aircraft, racing cars, farm equipment, and marine engines. [117] Thus, what had begun in the U.S. as a phasedown ultimately ended in a phase-out for on-road vehicle TEL.

  7. Naturally aspirated engine - Wikipedia

    en.wikipedia.org/wiki/Naturally_aspirated_engine

    In a naturally aspirated engine, air for combustion (Diesel cycle in a diesel engine or specific types of Otto cycle in petrol engines, namely petrol direct injection) or an air/fuel mixture (traditional Otto cycle petrol engines), is drawn into the engine's cylinders by atmospheric pressure acting against a partial vacuum that occurs as the piston travels downwards toward bottom dead centre ...