The methanol/nitromethane/lubricant mix used to fuel model engines. A helicopter fuel mix has a higher concentration of lubricant to counter the lack of sufficient airflow over the engine in a hover.

Usually any fuel except straight gasoline; commonly some mixture of methanol and nitromethane.

Unleaded fuel is specified for all Ford vehicles with gasoline engines and catalytic converters. All fuel filler openings and instrument panel clusters of such vehicles are clearly marked Unleaded Fuel Only. The 7.3L Power Stroke turbo diesel engine requires #2 grade diesel fuel. The Mustang Cobra requires a minimum of 91 octane fuel Note: Ford Motor Company recommends that a detergent-dispersement-type gasoline be selected.

Gasoline. Winston Cup stock cars use only Union 76 fuel.

See gas. The fuel for 2-cycle engine is a gas / oil mixture. The oil is needed to lube the internal components of the engine, since it does not have a separate engine oil system like a 4-cycle engine.

Sailboats without auxiliary engines do not require fuel as such, but an adequate supply of a pale yellow carbonated beverage with a 10 percent to 12 percent alcohol content is essential to the operation of all recreational craft.