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Appetizing Alternative Fuels

Traditionally used for cooking, vegetable oil is a trending source of alternative fuel for vehicles. The Greasecar Vegetable Oil Conversion System, found at greasecar.com, is a fuel modification system that allows diesel vehicles to run on pure vegetable oil in any...

An Odder Look to Fuel-Efficient Trucks

New jet planes have winglets, curved structures at the tips of the wings that change the airflow and reduce the turbulence in the passing wind. That reduces drag, the amount of effort needed to speed ahead, and that in turn reduces fuel requirements. Can it work on...

VW Unveils an Ultra-Efficient Car

> Volkswagen has made a car it says can travel 313 miles on a gallon of diesel, and that emits just 24 grammes of carbon dioxide per kilometre travelled. The XL1, which seats two adults, combines a 0.8 litre two cylinder diesel engine with an electric motor. The car...