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2/4SIGHT engine concept switches between 2 and 4 stroke operation

Until electric cars and their associated technologies (motors, batteries, controllers etc.) become mainstream, the internal combustion engine will need to be further refined in order to meet upcoming fuel economy requirements and current emissions regulations -- while still producing the power that consumers have come to expect. HCCI is one technology currently being developed to make these goals possible, while direct injection and turbocharging are simply becoming quite common. Ricardo has developed a new prototype engine called 2/4SIGHT ... Read more →

Rumormill: LML to produce Vespa PX clones with 4 stroke engines? Jeremy Korzeniewski

A few years ago, Bajaj stopped making their Chetak and Legend scooters, and since then there has been a dinstinct lack of any steel-bodied, manual transmission, 4-stroke scooters on the market. ...

2/4SIGHT engine concept switches between 2 and 4 stroke operation 1 year ago on Autoblog Green

Rumormill: LML to produce Vespa PX clones with 4 stroke engines? 1 year ago on Autoblog Green

A few years ago, Bajaj stopped making their Chetak and Legend scooters, and since then there has been a dinstinct lack of any steel-bodied, manual transmission, 4-stroke scooters on the market. Genuine Scooters has begun selling their Stella scooter again after a short absence and Vespa themselves ...

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Guide to Common Green Acronymns

CAFE – Corporate Average Fuel Economy. A system used in the U.S. to define mileage requirements of new vehicles.

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