liquid-propane engine
41Compressed-air vehicle — The Victor Tatin airplane of 1879 used a compressed air engine for propulsion. Original craft, at Musée de l Air et de l Espace …
42Plug-in hybrid — The Chevrolet Volt is the first mass production plug in hybrid available in the United States. A plug in hybrid electric vehicle (PHEV), plug in hybrid vehicle (PHV), or plug in hybrid is a hybrid vehicle which utilizes rechargeable batteries, or …
43Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
44Nitromethane — IUPAC name …
45Methanol fuel — This article is about methanol used as a fuel. For other alcohols used as fuels, see Alcohol fuel. Methanol is an alternative fuel for internal combustion and other engines, either in combination with gasoline or directly ( neat ). It is used in… …
46Hybrid electric vehicle — The Toyota Prius is the world s top selling hybrid car, with cumulative global sales of 2.36 million units by August 2011.[1] A hybrid electric vehicle (HEV) is a type of hybrid vehicle and electric vehicle which combines a conventional internal …
47Ceramic matrix composite — Fracture surface of a fiber reinforced ceramic composed of SiC fibers and SiC matrix. The fiber pull out mechanism shown is the key to CMC properties …
48Ethanol — For other uses, see Ethanol (disambiguation). Grain alcohol redirects here. It is not to be confused with Neutral grain spirit. Ethanol …
49Octane rating — or octane number is a standard measure of the anti knock properties (i.e. the performance) of a motor or aviation fuel. The higher the octane number, the more compression the fuel can withstand before detonating. In broad terms, fuels with a… …
50Fuel efficiency — is a form of thermal efficiency, meaning the efficiency of a process that converts chemical potential energy contained in a carrier fuel into kinetic energy or work. Overall fuel efficiency may vary per device, which in turn may vary per… …
