(cf low-gravity petrol
21Biofuel — Information on pump regarding ethanol fuel blend up to 10%, California …
22History of the diesel car — The Mercedes Benz 260D. Production diesel car history started in 1933 [1][2] with the Citroën Rosalie, which featured a diesel engine option (the 1766 cc 11UD engine) in the Familiale (estate or station wagon) model …
23Naphtha — Not to be confused with naphthalene, a solid benzene derivative which is the main ingredient in mothballs. Naphtha (  /ˈn …
24Supermarine Spitfire (early Merlin powered variants) — Infobox Aircraft name =Spitfire type =Fighter manufacturer =Supermarine caption =Spitfire Vc launching from USS Wasp designer =R. J. Mitchell first flight =5 March 1936 introduction =1938 retired =1955, RAF status = primary user =Royal Air Force… …
25Solvent — For other uses, see Solvent (disambiguation). A solvent (from the Latin solvō, “I loosen, untie, I solve”) is a liquid, solid, or gas that dissolves another solid, liquid, or gaseous solute, resulting in a solution that is soluble in a certain… …
26Mark I tank — A British Mark I male tank near Thiepval on 26 September 1916, fitted with wire mesh to deflect grenades and the initial steering tail, shown raised …
27Electric car — An electric car is a type of alternative fuel car that utilizes electric motors and motor controllers instead of an internal combustion engine (ICE). The electric power is usually derived from battery packs in the vehicle.In general terms an… …
28Motorcycle engine — A Honda Super Cub engine. The most popular motorcycle in history, with over 60 million produced …
29Short Sunderland — infobox Aircraft name = Sunderland type = Military flying boat manufacturer = Short Brothers caption = designer = first flight = 16 October 1937 introduced = 1938 retired = 1967 status = primary user = Royal Air Force more users = French Navy… …
30Economy car — An economy car is an automobile that is designed for low cost operation. They are designed for drivers who use their car primarily for personal transportation. The best of these cars are not merely cheapened or miniaturised versions of a… …
