He described it as a conventional diesel engine with an ammonia injection system on top. Cococcetta said the X-DF-A gives a reduction of more than 90% in greenhouse gas emissions. Last month ...

Gary Richardson, an economics professor at the University of California, Irvine, said the U.S. long maintaining high tariffs “helped to shift industry here. But we’ve gotten rid of them because, as ...

Gary Richardson, an economics professor at the University of California, Irvine, said the U.S. long maintaining high tariffs "helped to shift industry here. But we've gotten rid of them because ...

Gary Richardson, an economics professor at the University of California, Irvine, said the U.S. long maintaining high tariffs “helped to shift industry here. But we’ve gotten rid of them ...