When President Trump was elected in 2016, he threatened to cancel the Federal fuel and car emissions standards set by the Obama administration based on California standards, a serious step backward. environmental protection and international competitiveness of the American car industry. Car exhaust is a major cause of air pollution and climate change. Countries around the world, from the European Union, to China, Japan, and until recently, the United States, have policies to reduce their dependence on kerosene energy to switch to clean energy.
After two crisis periods in the 1980s and 2000s that led to American car companies being insolvent due to the policy of producing very expensive gasoline models, the automobile industry recovered thanks to switching to economical models. more fuel, including electric cars.