Detroit Auto Show Preview: Mercedes-Benz Vision GL 420 Bluetec Concept

Hey, here's one that's not on embargo — it's the Bluetec diesel concept GL 420 Vision, or is that Vision GL 420 Bluetec Concept diesel? Either way, Mercedes is continuing its cleaner-diesel strategy for the US by showing a version of its largest SUV, fitted with aqueous urea-spraying, emissions-scrubbing whatnots, in… »1/03/07 4:35pm