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Toyota showcases experimental hydrogen-powered GR Yaris

Green Car Congress

Toyota showcased its experimental hydrogen-powered combustion engine technology in the multiple award-winning GR Yaris. While the Mirai employs chemical reaction in the fuel cells to generate energy, the experimental GR Yaris features an internal combustion engine with hydrogen as the fuel. 2022 GR Yaris Hydrogen.

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California ARB awards $7M for ultra-low NOx heavy-duty diesel truck demo project with Achates opposed-piston engines

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The project will build and install diesel-fueled two-stroke compression-ignition Achates Power Opposed-Piston Engines into Class 8 demonstration trucks that will be road-road ready in 2019 and operate in fleet service in California in 2020. This program will demonstrate the first diesel engine to comply with the state standard.

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Toyota unveils new TNGA-based engines and transmissions and improved hybrid systems; deployment begins in 2017

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In Japan, Toyota Motor Corporation unveiled new advanced engines and transmissions and further evolved hybrid systems based on the Toyota New Global Architecture (TNGA). Toyota intends to deploy these new powertrain units in a rapidly broadening range of vehicle models, starting in 2017. Dynamic Force Engines. Click to enlarge.

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New international study finds lab testing of diesel NOx emissions underestimates real-world levels by up to 50%

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A new international study has found that laboratory tests of nitrogen oxide emissions from diesel vehicles significantly underestimate the real-world emissions by as much as 50%. The research, led by the International Council on Clean Transportation and Environmental Health Analytics, LLC., Henze, Forrest Lacey, Christopher S.

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SwRI-led team achieves 20% improvement in vehicle fuel efficiency with connectivity, automation; ARPA-E NEXTCAR

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A team led by Southwest Research Institute has applied connectivity and automation to achieve a 20% improvement in efficiency on a 2017 Toyota Prius Prime. SwRI engineers used internal funding to deploy the eco-driving technology in a mobile driver advisory app that runs on regular smart phones or tablets. Earlier post.).

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ACAL Energy FlowCath fuel cell reaches 10,000 hours runtime on automotive durability test; 2x US DOE 2017 target

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10,000 hours, the equivalent of 300,000 driven miles, is the point at which hydrogen fuel cell endurance is comparable to the best light-weight diesel engines under such test conditions. This particular test is employed to accelerate aging and to stress wear on car engines and fuel cell systems over time. Earlier post.).

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MIT engineers develop system to help autonomous vehicles see around corners; adapting ShadowCam

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To improve the safety of autonomous systems, MIT engineers have developed a system that can sense tiny changes in shadows on the ground to determine if there’s a moving object coming around the corner. The big dream is to provide ‘X-ray vision’ of sorts to vehicles moving fast on the streets.

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