Transportation is responsible for one-quarter of the world's greenhouse gas emissions. While companies have touted electric vehicles and sustainable aviation fuel as ways to cut emissions from air and ...

The state of California should be leading the world in environmental protection and the transition to clean energy. We should not be exporting dirty pollution. Period. That, however, is exactly what ...

William Wolfgang, the T's director of vehicle engineering, says that new battery-powered engine technology isn't sufficiently developed to be able to replace the T's aging fleet of diesel locomotives.