BMW Hydrogen 7 (2006) review 16 November 2006 by Ben Oliver That’s not a green car. It’s a dirty great limo… Yes, it’s a long-wheelbase BMW 7-series with a 6-litre V12 engine. But it runs on liquid hydrogen as well as petrol, emitting virtually no CO2 when... Car Handling Performance Usability Feelgood Car ratings 3 out of 5 4 out of 5 3 out of 5 2 out of 5 4 out of 5 Read more ...