Electric cars, moreover, have batteries that contain lead acid, which can not be broken down for many hundreds of years. Before a recycling system is established, they will also be a source of pollution. But the electric car is squeaky clean in comparison to the omnipresent pollution wreaked by its gasoline-burning predecessor, and the Environmental Protection Administration is forcefully encouraging its development.
目前電動車使用的鉛酸式電瓶，由於鉛酸含有幾百年也無法分解的重金屬，在回收制度未建立前，也將是個汙染源；但比起汽車造成的「全方位」汙染，行政院環保署仍大力鼓勵電動機車的開發。