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Study of emissions from CNG- and gasoline-fueled autorickshaws suggests measurements and data, not assumptions, should drive policy

Green Car Congress

Chassis dynamometer emission testing conducted on 30 in-use Indian auto-rickshaws—two-stroke and four-stroke CNG-fueled (CNG-2S and CNG-4S) and four-stroke gasoline-fueled (PET-4S)—found that global warming commitment (GWC) associated with emissions from CNG-2S was more than twice that from CNG-4S or PET-4S, due mostly to CH 4 emissions.

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Can-Am Spyder First Drive: Embracing The Third Wheel

The Truth About Cars

Despite having seen them around for years, they were models I had long assumed would be marginally better than the atrocious three-wheeled motorcycles offered by Harley-Davidson. Can-Am’s three-wheeled products turned out to be some of the best touring vehicles I’ve ever ridden sans air conditioning.

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2019 Nissan Altima features VC-Turbo variable compression ratio engine, AWD, ProPILOT Assist

Green Car Congress

liter V6 engine is the world’s first production-ready variable compression turbo inline 4-cylinder ( earlier post )—which generates the performance of some V6 gasoline engines but with 4-cylinder level fuel economy. A low compression ratio allows for greater power and torque, and avoids knocking.

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Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

Green Car Congress

Pinnacle has signed a licensing and joint development agreement with a major, as yet unnamed, Asian vehicle OEM, with lower power products targeted for two- and three-wheel applications in the developing country markets expected to be available in the first quarter of 2013. Source: Pinnacle. Click to enlarge.

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2024 Can-Am Spyder F3-S Reviewed

The Truth About Cars

Leaning isn’t very productive, requiring more steering inputs on the power-assisted handlebars and pushing out on the foot pegs. While I’ll go to my grave saying that old-fashioned cable controls are superior to drive-by-wire, the electronic throttle control is quite good and the 1300cc Rotax ACE always seems to know how much power you want.

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Top 10 Most Weird And Wonderful Electric Vehicles

Get Electric Vehicle

First, let us look at how an IC (Internal combustion) engine-powered vehicle operates. Once the power is generated by burning the fuel in a very complex manner it is transferred to the axles through a power transmission system. An exhaust is also required along with efficient lubrication. They also stank.