but the crucial question is what's it like to drive river border kristoff johann has already driven about 12000 kilometers with this little s.u.v. hassle free. you can't tell the difference from a gas engine. to see how to run as one leader 3 cylinder engine produces 90 horsepower and with an average gas consumption of 4.2 kilograms of gas per 100 kilometers that's quite a logical. 4.2 kilograms of gas costing a total of 4 euros $0.50 in germany still emit 123 grams of c o 2. but there's an almost total reduction in particulates and nitric oxide. no question natural gas is very environmentally friendly the problem is the price $1.00 kilo costs in germany for years now around $1.00 rule but the price of diesel and petrol so much so that it's no relevant saving while using natural gas the costs are similar to a diesel at the moment. and there's another old and persistent disadvantage despite being stored at high pressure natural gas takes up a lot of space. the tanks are large and expensive. to get the say on can only take 15 kilograms. and a bigger tank means a smaller trunk. the only prob