FRANKFURT, Germany — In 2014, as evidence mounted about the harmful effects of diesel exhaust on human health, scientists in an Albuquerque, New Mexico, laboratory conducted an unusual experiment: Ten ...

In 2014, as evidence mounted about the harmful effects of diesel exhaust on human health, scientists in an Albuquerque, New Mexico, laboratory conducted an unusual experiment: Ten monkeys squatted in ...

Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel. During combustion, the water rapidly vaporizes, triggering micro-explosions ...

Yes, diesel can go bad over time, just like gasoline when it sits for too long inside your car. Typically, its shelf life is anywhere between six and 12 months, which is twice the usual rate of ...