Cummins works on a 28-mpg diesel with V8 power for pickups

Cummins Inc. is developing a four-cylinder diesel engine aimed at giving full-sized, light-duty pickups the power of a small V-8 and overall fuel economy of 28 mpg. The project began in September using the Nissan Titan pickup, which is being used to test the engine, pickuptruck.com reports.

Citroen DS4 – Citroen DS High Rider Concept

Citroen has revealed the Citroen DS High Rider Concept - the Citroen DS4 to be Citroen are calling this the ‘DS High Rider Concept‘ and have announced it will be at the Geneva Motor Show in a couple of months. But this is the new Citroen DS4 which was teased earlier this week and is Citroen’s next in the DS range. The ‘High Rider’ Concept is actually showing as a three door, but it will certainly spawn an extra pair of doors before it hits the road.

Opel design boss dismissed

Newly appointed Opel design boss Dave Lyon has been dismissed by parent company General Motors, less than a week before he was set to take over the position at the company's troubled European subsidiary in Russelsheim, Germany. Lyon, who was set to receive Opel's design operations from current boss Mark Adams on Aug. 1, was reportedly escorted from GM design headquarters in Michigan late last week under mysterious circumstances.