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Ricardo’s “deep” Miller cycle concept: Magma

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A long exhaust stroke then extracts maximum efficiency. The in-cylinder gases are thus expanded and cooled as the piston descends, before being re-compressed as the piston rises again. Early closure of the inlet valves leaves a smaller window for the charge fill the cylinder. Magma boost system layout. 2016) Click to enlarge.

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Mazdas new SKYACTIV gasoline and diesel engines are steps on the road to its Ideal Engine; focus on compression ratio

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Since this energy loss is primarily thermal in nature and can be attributed to the exhaust, cooling system, and engine and transmission surfaces, Mazda’s R&D team’s central focus is on improving the engine’s thermal efficiency cost-effectively. This corresponds to a 23% reduction in fuel consumption and, therefore, CO 2 output.).

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Update on DOE Co-Optima project to co-optimize fuels & engines; goal of 30% per vehicle reduction in petroleum

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In October 2015, the US Department of Energy’s (DOE) launched a broad, joint effort to co-optimize the development of efficient engines and low greenhouse-gas fuels for on-road vehicles with the goal of reducing petroleum consumption by 30% by 2030 beyond what is already targeted. We’re not going to say “Ethanol.

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World Bank/ICCT report provides guidance to reducing black carbon emissions from diesels in developing countries

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In 2012 the International Agency for Research on Cancer re-categorized diesel engine exhaust as carcinogenic to humans based on evidence that sufficient exposure is associated with an increased risk of lung cancer. Earlier post.). Cost benefit.

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Tesla driving test hell: How DMV examiners’ biases are inhibiting the EV transition

Teslarati

The last three tries were quite exhausting, and by the third driving test, the Model 3 owner stated that some DMV staff were already irate. In 2015, California accounted for 43% of Tesla’s new vehicle registrations , as per data from IHS Markit. It is then no surprise that Teslas are very popular in the state. Credit: Tesla Inc.

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New Ford Mondeo to offer new high-power diesel, 1L EcoBoost, hybrid model, pedestrian detection technology

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The high-powered diesel will be available in early 2015. liter TDCi engine will in 2015 offer 210 PS (154 kW) and 450 N·m of torque—delivered from 2000 rpm—with significantly reduced CO 2 compared to the outgoing 200 PS (147 kW) 2.2-liter Engine range. A powerful new twin sequential turbocharged 2.0-liter

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GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

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Increased charge sustaining fuel economy. Fixed Ratio Extended Range: Very efficient operation during typical driving conditions when the vehicle is accelerating, and also allows efficient charging of the battery pack under light vehicle load conditions. 1) and external cooled exhaust gas recirculation (EGR).

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