- We look at how manufacturers help reduce fuel bills
- Aerodynamic improvements and smaller engines are key
- Check benefits carefully: will they pay for themselves?
BlueMotion - marketing trick or engineering advantage? The BlueMotion changes make the Passat more economical but how much will you really save? The Volkswagen Passat BlueMotion's aerodynamic wheels are wrapped in low rolling resistence tyres A small rear spoiler is one way the Volkswagen Passat BlueMotion's aerodynamics are improved As you drive the Volkswagen Passat BlueMotion it stores electrical energy The Volkswagen Passat BlueMotion's a big car but under the bonnet is a small 1.6-litre turbo diesel engine