Rolls-Royce decided that to succeed in the large engine market of the future, it would have to offer engines for every large civil airliner.
The company made frames for bicycles from 1900 and soon offered engines to add to them.
The M1 offered 2 independent effects engines featuring reverb, flanger, chorus, delay, etc.
A number of firms began offering "clip-on" gas-powered engines that could be attached to the typical bicycle.
The 266 model offered very good quality and powerful engines for a low price.
Harley-Davidson offers engines in black and chrome, for example, which usually increases the cost of the engine by about $1,000 over the less flashy aluminum versions.
The sport-tourer class has become important and competitive enough that many manufacturers now offer purpose-built engines for their sport touring models.
Pontiac offered only eight-cylinder engines during 1933 and 1934.
Volkswagen said it might offer other engines, including a new 12-cylinder gasoline power plant.
However, other major manufacturers, such as Wärtsilä, do not offer medium-speed engines in V14 configuration.