4 Articles
More than half of General Motors' 2009 patent filings were for green tech

Over the years, General Motors has not often been seen as a forward-thinking company when it comes to green technologies. Sure, the Chevrolet Chevette was one of the first American cars to crack the 30 miles per gallon mark (the diesel model got north of 50 mpg). True, the Nik Bristow

Heat2power uses exhaust gases to increase fuel mileage

French start-up Heat2power has been making a little noise in the Hexagone thanks to a new technology that increases fuel mileage using heat energy otherwise dissipated via the exhaust pipe. There are others that use a similar system, but the company claims that their device captures even more energy. The basics include installing an additional cylinder linked to the crankshaft wit

Thermoelectric generator in a Volkswagen Golf Plus lowers fuel use by 5%

Not long ago, we reported that BMW was awarded a prize for installing a thermoelectric generator at the exhaust pipe of a car. This device works under the Seebeck effect and generates electricity by the difference in temperatures. Although we can't use the generator to fill up our hybrid batteries, we can use one to

BMW wins ??koGlobe 2008 award for thermoelectric generator

BMW has won an ÖkoGlobe award for the second straight year. The award was presented to the Bavarian automaker for its work on a thermoelectric generator. Um, what's that? Basically, using a process known as the Seebeck effect, electricity can be generated by a difference in temperatures. All right, fine... who cares? Under the hood of every car ever sold that has an internal combustion engine, a huge amount of heat is