N

A non-renewable energy resource is one that cannot be replaced as it is used. Although fossil fuels, like coal and oil, are in fact fossilized biomass resources, they form at such a slow rate that, in practice, they are non-renewable.

Fuel-Straight or 100% alcohol (not blended with gasoline), usually in the form of either ethanol or methanol.

A mixture of gaseous hydrocarbons, primarily methane, occurring naturally in the Earth and used principally as a fuel.

N

Subscribe to RSS - N