TEGs - Using Car Exhaust To Lower Emissions

Saving energy is big business these days and automobiles are a prime target for savings because two-thirds of the energy from fuel is wasted in the form of heat - about 30 percent through the engine block and a further 30 to 35 percent as exhaust fumes. Researchers are working on a thermoelectric generator that converts the heat from car exhaust fumes into electricity. The module feeds the energy into the car’s electronic systems. This cuts fuel consumption and helps reduce the CO2 emissions from motor vehicles. There is clearly a great need for thermoelectric generators (TEGs). These devices convert heat into electrical energy by making use of a temperature gradient. The greater the temperature difference, the more current TEGs can produce. read more

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