American car maker Cadillac might be bringing diesel power back to the United States in future vehicles. Diesel is a very popular fuel overseas, but it hasn't been a staple at gas stations since unleaded fuel, as well as updated engines, were produced during the 1970's. Although it costs a little more at the pump, diesel tends to burn slower, giving the driver greater miles per gallon.

Cadillac is not only doing this for car shoppers at Lindsay Cadillac of Alexandria. The makers of the Cadillac CTS are battling European competition.

Cadillac will need a clean-diesel engine to…