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Siemens and Cummins partner to provide diesel-electric EPA Tier 4 passenger rail locomotives in US

Green Car Congress

Siemens Rail Systems and Cummins are partnering to bring EPA Tier 4 compliant locomotives to market. The locomotives will also deploy an exhaust aftertreatment system purpose-designed for locomotive installations, using Selective Catalytic Reduction (SCR) technology. Click to enlarge.

EPA 301
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ORNL researchers quantify the effect of increasing highway speed on fuel economy

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This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal Analysis has focused on speeds of 50, 60, 70 and 80 mph. [ 50 to 60 mph.

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Two engine options in new Mazda6; updated 2.5L with cylinder deactivation, turbo 2.5L with Dynamic Pressure Turbo

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The outside two cylinders can shut down when the vehicle is operated at steady speeds between 25 and 50 mph, but all four cylinders work instantaneously when needed for maximum performance. Mazda’s Dynamic Pressure Turbo varies the degree of exhaust pulsation depending on engine speed. SKYACTIV-G 2.5T.

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Next-Gen Ford Fiesta St with new 200 PS 3-cylinder, 1.5L Ecoboost with 3 drive modes; cylinder deactivation

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Shown for the first time ahead of its global public debut at the Geneva Motor Show next month, the next generation Fiesta ST will deliver 200 PS, 290 N·m of torque, and anticipated 0-100 km/h (0‑62 mph) acceleration in 6.7 The technologies amplify the naturally sporty sound of the new 1.5-liter

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Prius Prime PHEV pricing to start at $27,100; on sale later this year

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The 2017 Prius Prime offers an EPA-estimated 133 MPGe (miles per gallon equivalent)—a substantial 26% enhancement over its predecessor model, the Prius Plug-in Hybrid, as a result of greater battery capacity and the improved hybrid system. The EPA-estimated all-electric range is up to 25 miles at up to 84 mph.

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2017 Audi Q7 now available with 2.0-liter TFSI turbo-charged four-cylinder engine; lower entry point to premium SUV

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liter engine, is half a second faster on the 0-60 mph sprint; nearly 500 pounds lighter; and up to 22% more fuel-efficient than the previous generation Q7 3.0T engine reaches 60 mph a half-second faster than the previous generation 2015 Q7 3.0T Audi of America is offering a new 2.0-liter This new model, when equipped with the 2.0-liter

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Jaguar bringing XE diesel to US in 2016

Green Car Congress

Mated with the eight-speed automatic transmission, the Jaguar XE 20d will be the brand’s most fuel efficient model (EPA figures to be released at later date). Variable exhaust valve timing enables more rapid catalyst heating, thereby minimizing harmful emissions during the critical warm-up phase. 0-60 mph (sec). Cylinders.

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