THE gap has widened between the fuel-efficiency that carmakers declare for their models and the reality for drivers, with luxury German vehicles the worst offenders, a study has found. The research by the non-profit International Council on Clean Transportation (ICCT) found “real-world” carbon emissions for new cars based on fuel consumption are about 25pc higher on average than carmakers say, compared with 10pc a decade ago. The findings will add to pressure for the reform … Continue reading Car makers accused of overhyping fuel efficiency by up to 30pc