Automakers sell both gas-powered and diesel passenger ... which can actually boost fuel economy. Some drivers take off the ...

Andreas Urzua, a local driver, said, "I have to work more or get another job just to pay for gas." Another San Diegan, Alice Williams, added, "It all adds up. You can only spend so much money on ...

Earlier this week, President Donald Trump ordered the EPA to roll back ... can afford.” Department officials said they will also create a new energy efficiency category for natural gas tankless ...

Starting in 2008, new diesel trucks were required by the EPA to include an EGR (exhaust gas recirculation system), which routes exhaust back into the ... which can handle more intense temperatures.