Europe's known it for years ... diesel engine vehicles deliver a far superior level of fuel economy. Year-after-year, Volkswagen and Mercedes-Benz have sold their diesel offerings to a crazed cult of Americans. Environmental regulations have changed the formulation of diesel fuel and the automakers have scrambled to bring ever-cleaner diesels stateside.

While the 2011 model year offers a range of diesel cars and SUVs, they all hold one thing in common. Every single diesel passenger car or SUV sold in the United States comes from a German manufacturer. In the coming years, we may see diesel-powered cars from the likes of Mazda and Chevrolet, but until then it's all Audi, BMW, Mercedes-Benz, and Volkswagen ...

Make	Model	Engine	Displacement	Trans.	City	Hwy
Audi	Q7 TDI	6 cylinder	3.0 liter	(S8) Auto	17	25
BMW	335d	6 cylinder	3.0 liter	(S6) Auto	23	36
BMW	X5 xDrive35d	6 cylinder	3.0 liter	(S6) Auto	19	26
Mercedes-Benz	E 350 BLUETEC	6 cylinder	3.0 liter	(A7) Auto	22	33
Mercedes-Benz	GL 350 BLUETEC 4MATIC	6 cylinder	3.0 liter	(A7) Auto	17	21
Mercedes-Benz	ML 350 BLUETEC 4MATIC	6 cylinder	3.0 liter	(A7) Auto	18	25
Mercedes-Benz	R 350 BLUETEC 4MATIC	6 cylinder	3.0 liter	(A7) Auto	18	24
Audi	A3 TDI	4 cylinder	2.0 liter	(S6) Auto	30	42
Volkswagen	Golf TDI	4 cylinder	2.0 liter	(S6) Auto	30	42
Volkswagen	Golf TDI	4 cylinder	2.0 liter	(M6) Manual	30	42
Volkswagen	Jetta TDI	4 cylinder	2.0 liter	(S6) Auto	30	42
Volkswagen	Jetta TDI	4 cylinder	2.0 liter	(M6) Manual	30	42
Volkswagen	Jetta SPORTWAGEN TDI	4 cylinder	2.0 liter	(S6) Auto	29	39
Volkswagen	Jetta SPORTWAGEN TDI	4 cylinder	2.0 liter	(M6) Manual	30	42
Volkswagen	Touareg TDI	6 cylinder	3.0 liter	(S8) Auto	19	28