Researchers at the Fraunhofer Institute in Freiburg, Germany, are working on a thermoelectric generator to convertheat from car exhaust fumes into electricity.

• 在德国弗莱堡弗劳尔霍夫协会的研究人员在研制一种热电发电机，用来将汽车排放的尾气的热能转化成电能。