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Ricardo’s “deep” Miller cycle concept: Magma

Green Car Congress

In its new report on downsized and boosted gasoline engine technologies ( earlier post ) the ICCT highlighted Ricardo’s work on an “extreme” Miller cycle concept with high (13:1) compression ratio (CR) and central direct injection in a downsized boosted engine. Source: Lewin (2016). Click to enlarge. Resources.

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Fiat introducing new 2-cylinder 0.9L Turbo TwinAir in 2014 MiTo mini

Green Car Congress

The gasoline engine delivers 105 hp (72 kW) at 5500 rpm and maximum torque of 145 N·m (107 lb-ft) at 2000 rpm/min, with combined cycle fuel consumption of 4.2 This is the lowest consumption of any of the gasoline or diesel MiTo engines, while power delivery and torque are the second-highest of the MiTo gasoline range.

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

Green Car Congress

For the first time since UCS began the Automaker Rankings report in 2000, all eight major automakers reduced their average greenhouse gas (GHG) and smog-forming emissions compared to their fleet averages from 1998, the model year examined in the first report. Source: UCS. Click to enlarge.

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Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

Green Car Congress

The flat torque curve ensures enormous pulling power in all speed ranges: 670 N·m are already available at 1500 rpm, and the maximum torque of 800 N·m is delivered 500 rpm later, remaining constant to 4500 rpm.

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Honda outlines technology for fuel efficiency push; engines, transmissions, hybrid, plug-in hybrid and electric powertrains

Green Car Congress

A wide range of engine classes including the 660cc, 1.3L, 1.5L, 1.8L, 2.0L, 2.4L, and 3.5L By downsizing from the present 2.2L The transmissions feature a reinforced belt to realize a structure for which a wide ratio range can be set. It developed a new engine series employing a new structure for higher expandability.

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Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

Green Car Congress

With that as a premise, they go on to show that the efficiency of existing vehicles can be both positively and negatively affected by ethanol content, ranging from ?15% higher for ethanol/gasoline blends than for gasoline but varies within a wide range from 14.9% ESR can range from ?1.42 15% to +24%. lower to 23.6% respectively.

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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 It achieves this through a combination of technologies which results in peak power of 240 PS (237 hp, 177 kW) at 5500 rpm and 340 N·m (251 lb-ft) of torque available between 2000 and 4000 rpm. liter i4 and 3.0-liter

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