octane rating
41Liquid fuels — are those combustible or energy generating molecules that can be harnessed to create mechanical energy, usually producing kinetic energy; they also must take the shape of their container. Most liquid fuels, in widespread use, are or derived from… …
42Butanol fuel — Butanol may be used as a fuel in an internal combustion engine. Because its longer hydrocarbon chain causes it to be fairly non polar, it is more similar to gasoline than is ethanol. Butanol has been demonstrated to work in some vehicles designed …
43Tetra-ethyl lead — Chembox new Name = Tetra ethyl lead ImageFile = Tera ethyl lead chemical.png IUPACName = tetraethyllead, tetraethylplumbane OtherNames = TEL; lead tetraethyl; tetra ethyl lead Section1 = Chembox Identifiers SMILES = CC [Pb] (CC)(CC)CC CASNo = 78… …
44Alkylation — Alkylating agent redirects here. For the class of drugs, see alkylating antineoplastic agent. Alkylation is the transfer of an alkyl group from one molecule to another. The alkyl group may be transferred as an alkyl carbocation, a free radical, a …
45Gasoline grades — The classification of gasoline by octane ratings. Each type of gasoline (conventional, oxygenated, and reformulated) is classified by three grades Regular, Midgrade, and Premium. Note: Gasoline sales are reported by grade in accordance with… …
46Shell V-Power — is the brand name given to Shell s enhanced high specification fuels for road vehicles.Initially used for Super Unleaded petrol/gasoline, (formerly known as Optimax in some regions), it is now additionally used for high specification diesel.V… …
47Antiknock agent — An antiknock agent is a gasoline additive used to reduce engine knocking and increase the fuel s octane rating. The mixture known as gasoline, when used in high compression internal combustion engines, has a tendency to ignite early (pre ignition …
48Aircraft engine — An aircraft engine is a propulsion system for an aircraft. Aircraft engines are almost always a type of lightweight internal combustion engine. This article is an overview of the basic types of aircraft engines and the design concepts employed in …
49Harry Ricardo — Sir Harry Ricardo (26 January 1885 – 18 May 1974) was one of the foremost engine designers and researchers in the early years of the development of the internal combustion engine.He improved on the engines that were used in the first tanks,… …
50Ethanol fuel — is ethanol (ethyl alcohol), the same type of alcohol found in alcoholic beverages. It can be used as a fuel, mainly as a biofuel alternative to gasoline, and is widely used in cars in Brazil. Because it is easy to manufacture and process and can… …
