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Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Green Car Congress

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.

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Mercedes-Benz introducing diesel E 300 BlueTEC HYBRID with fuel economy of 56 mpg US; gasoline-engined E 400 HYBRID model to follow

Green Car Congress

The E 300 BlueTEC HYBRID is based on the E 250 CDI, yet has a higher output and approximately 15% lower fuel consumption. This diesel hybrid will be available in the European market as a Saloon and Estate from the third quarter 2012. In 2009, Mercedes-Benz introduced the S 400 HYBRID. Earlier post.).

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BMW upgrading 1 and 3 Series models with focus on fuel economy and emissions; BMW 114d to debut with 1.6L diesel

Green Car Congress

BMW is making a number of enhancements to its 1 and 3 Series in fall 2012. Too, the BMW 320i EfficientDynamics Edition Sedan will be available as the first gasoline-driven model with additionally enhanced technology for reducing fuel consumption and exhaust emissions. seconds and a top speed of 225 km/h (140 mph).

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Toyota’s new RAV4 plug-in hybrid SUV offers 39 miles AER, 90 MPGe

Green Car Congress

In addition to an ability to do 0-60 mph in a projected 5.8 As a technology comparison, the 2006-2012 RAV4 offered an optional 269-hp, 3.5-liter liter gas V6 engine that reached 0-60 mph in 6.3-seconds—a seconds—a half-second slower than the RAV4 Prime—and a 21 combined MPG fuel economy rating.

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Jaguar adds two new smaller forced induction gasoline engines to 2013 XF and XJ lineup; 8-speed automatic and start-stop

Green Car Congress

For the 2013 XF and XJ lineup, Jaguar is adding two new downsized forced induction gasoline powerplants: 3.0-liter liter V8 gasoline units. Eight-speed ZF automatic transmissions are now fitted to all gasoline and diesel XJ and XF variants as standard for greater efficiency and performance. liter i4 Turbocharged gasoline engine.

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VW stages global launch for third generation of Beetle; for the US, two gasoline and one diesel engines

Green Car Congress

The 2012 Beetle offered in the US provides a choice of three engines: the 2.5L gasoline five cylinder; the 2.0L TSI turbocharged gasoline engine. TSI turbocharged gasoline models, while a 6-speed manual will come standard. Fuel economy values are also improved up to 10% over prior 2.5L The Beetle 2.0L

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Volvo to unveil XC60 gasoline-electric Plug-in Hybrid Concept at Detroit show; system targeted for US and China markets

Green Car Congress

At the 2012 North American International Auto Show in Detroit, Volvo Car Corporation will unveil the Volvo XC60 gasoline-electric Plug-in Hybrid Concept. To make the plug-in technology viable for buyers in the US and China, Volvo notes , it needs to feature a gasoline engine. XC60 Plug-in Hybrid Concept. Click to enlarge.