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UCS analysis finds Hyundai-Kia with best sales-weighted new vehicle environmental performance in US in 2013

Green Car Congress

In its sixth sales-weighted analysis of emissions from 8 major automakers’ 2013 model year vehicles, the Union of Concerned Scientists’ (UCS) latest Automaker Rankings report found that Hyundai-Kia unseated Honda as the “Greenest Automaker.” Click to enlarge. Source: UCS. Click to enlarge.

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Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

Green Car Congress

Extreme compression ratio rather than downsizing. Although downsizing—i.e., Mazda plans to combine this hybrid system with its next-generation SKYACTIV technologies to develop and introduce a hybrid vehicle in Japan, starting in 2013. Hybrids can deliver good fuel economy by powering the vehicle at lower loads.

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Ford introduce the EcoBoost petrol engine

Green Cars News

opportunity to downsize – large-engine performance, but with the size, weight and fuel economy of a much smaller unit. The performance boost offered by turbocharging typically results in a 50 per cent increase in torque, so there is a significant opportunity to downsize capacity while still providing a potential performance benefit.

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