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New Toyota Highlander turbocharged engine offers more torque and fewer emissions

Green Car Congress

The 2023 Toyota Highlander gas models are equipped with a new, higher-torque, high-efficiency turbocharged engine. liter V6 engine’s 263 lb-ft (357 N·m). Fuel efficiency is also improved for this higher-torque engine with an EPA-estimate of up to 25 MPG combined. The 265-horsepower, 2.4-liter

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RMI report finds substantial emissions reductions possible with smart EV charging

Green Car Congress

A new report from RMI has found that optimized charging of electric vehicles, which involves automatically and strategically shifting when an EV charges, could significantly reduce transportation sector emissions, and could potentially result in an average of 800 pounds of CO? saved per vehicle annually.

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Fraunhofer ISI/ICCT analysis of PHEV data finds real-world CO2 emissions 2-4x higher than official values

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A new analysis of the real-world usage of more than 100,000 plug-in hybrid electric vehicles shows a large deviation between on-road CO 2 emissions and fuel efficiency and the official vehicle type-approval values. Plug-in hybrid vehicles often are not recharged regularly, which implies driving is often performed on the combustion engine.

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Researchers explore catalytic partial oxidation reformation of diesel, gasoline, and natural gas for “single-fuel RCCI”

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Researchers at Stony Brook University, with colleagues from The City College of New Tyork, Alloy Surfaces and Innoveering, explored the catalytic partial oxidation (CPOX) reforming of three potential transportation-relevant fuels—gasoline, diesel, and natural gas—for use in low-temperature combustion (LTC) engines.

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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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Mazda’s roadmap to the ideal internal combustion engine. the step-by-step introduction of electrification to SKYACTIV internal combustion engines: stop-start, followed by regenerative braking, followed by electric motor drive technologies. Energy balance in an internal combustion engine. Click to enlarge. Click to enlarge.

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Toyota reduces fuel consumption and emissions across the new Auris range; 13% average reduction in CO2 compared to predecessors; gasoline, diesel and hybrid

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Aerodynamic improvements, weight savings and engine enhancements have reduced fuel consumption and CO 2 emissions across the range. Toyota anticipates a 1/3 full hybrid, 1/3 gasoline, 1/3 diesel engine mix. When the first generation Auris was launched in 2007, the average emissions were 152 g/km. Powertrains.

Gasoline 252
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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. How do engine parameters affect efficiency?

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