
Peugeot has launched a new version of its mid-sized 407 sedan and wagon that get a CO2 emissions rating of just 129 g/km. The new 407 is powered by a 1.6-liter four cylinder diesel rated at 110 hp. A variety of efficiency enhancing features like low rolling resistance Michelin tires and electro-hydraulic power steering help bump up the mileage to 48 mpg (U.S.) on the EU combined cycle. The power steering is a blend of traditional hydraulic assist, which provides better feedback, with electric drive of the pump that can be optimized to only provide as much boost as needed.