Diesel vehicles Diesel vehicles may be making a comeback. Diesel engines are more powerful and fuel-efficient than similar-sized gasoline engines (about 30-35% more fuel efficient). Plus, today's diesel
Audi manufactured cars and motorcycles dating back to the 19th based in Saxony's four car companies - Zwickau City (Zwickau)Audi (Audi)and Horch (Horch)Motor Co.,Chemnitzer - Sigma City,