GreenCarPlanet.com

When the engine in you car burns a gallon of gasoline, only about 25% of the potential energy from the fuel is actualy used to power the car.  The rest of the energy is converted to heat and expelled through the exhaust system.  Diesel fuel has a better conversion rate, but still, the majority of [...]

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Completely shifting the auto industry’s design focus away from internal combustion engines will be a long process.  In the meantime, there are many things that can make a traditional engine more efficient.  These measures can be implemented with lower costs and, while they don’t provide the massive fuel and emissions reductions associated with electric cars, [...]

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The automobile market, just like any other market, goes in cycles.  Many cars on the market today that push for excellent fuel economy are the evolution of cars created in the mid-1970s, when oil shortages prompted a surge in fuel-sipping vehicles.  The new Volkswagen Polo is one of those cars.