IN BRIEF: New cars pollute less

Carbon dioxide emissions from new cars fell 2.2% last year, according to the Society of Motor Manufacturers and Traders. Better fuel efficiency, lightweight materials and improved aerodynamics were behind the improvement, the SMMT said.

Carbon dioxide emissions from new cars fell 2.2% last year, according to the Society of Motor Manufacturers and Traders. Better fuel efficiency, lightweight materials and improved aerodynamics were behind the improvement, the SMMT said.