We know Audi has the fastest diesel engine in the world, but does it also have the cleanest one?
Many car companies have been touting diesel engine technology as the short-term solution to fuel prices and environmental concerns. Others are making hybrids or concentrating on improving the efficiency of gas engines.
Audi may have something that will blow them all away.
The company plans to incorporate the TDI (turbocharged direct injection) technology that was used in its Le Mans-winning R10 TDI sports car into its existing line of consumer cars. That's not surprising.
Here's the kicker.
The company … Read more