In the wake of Euro 6, it is clear that EU legislators' attention will primarily be focused on reducing CO_2 emissions. That chimes well with vehicle manufacturers, which have been engaged in engine downsizing for the past 25 years. Indeed, few modern engines are now larger than 13 litres. Such moves have helped reduce CO_2 and fuel consumption, but have also resulted in engines typically working harder. That means cooling requirements are greater than ever before. The industry needs to step up to the plate here. Why? Because beyond vehicle aerodynamics and low rolling resistance tyres - both expected to play their parts in CO_2 reductions - the real deal will be further improving driveline efficiency. That and recovering waste heat energy for feed back into the driveline.
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