Volkswagen has revealed its environmental product plans going forward to next year.

The new models include developments such as a new stop-start system, regenerative braking, electric drives and hybrid systems.

Touareg V6 TSI Hybrid

Volkswagen is set to present a prototype of the Touareg V6 TSI Hybrid (331bhp / over 31 mpg) which is close to being production ready. At speeds of under 31mph, the Touareg V6 TSI Hybrid is powered but the electric motor alone and with zero emissions. This car is set to go into production in 2010 and will also be the world’s first hybrid SUV to have 3.5 metric ton towing capacity.

Passat BlueMotion 2

A 2.0-litre 198bhp common rail TDI engine offers economy of 57.6mpg and CO2 emissions of 128 g/km, giving a range of 870 miles.

The Passat BlueMotion 2 has a stop-start system and conforms to the Euro V emission standards. The Passat BlueMotion 2 is on sale in the UK now, priced at £17,327 for the saloon and £18,438 for the estate.

Passat BlueTDI

This 141bhp diesel engine conforms to Euro VI emissions standards which don’t come into effect until 2014.

The Passat BlueTDI has a SCR catalytic converter which reduces nitrogen oxides to less than 80 mg/km. Fuel economy of the saloon with a manual six-speed gearbox is 54.3 mpg (CO2 137 g/km); the Passat BlueTDI is also available with an estate bodystyle as well as with a six-speed DSG gearbox.

Passat TSI EcoFuel

The Passat TSI EcoFuel uses a turbocharged and supercharged direct injection engine configured for natural gas operation. With 148bhp, it combines a top speed of 130mph and a 0-62 mph time of 9.7 seconds. Thanks to a seven-speed DSG gearbox, the Passat achieves 120 g/km of CO.

Should the natural gas supply on board run low, the Passat can be switched to run on petrol, giving a total range of around 560 miles.