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IIASA-led study proposes Underground Gravity Energy Storage as long-term energy storage solution for renewables

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Renewable energy sources are central to the energy transition toward a more sustainable future. In a new study led by the International Institute for Applied Systems Analysis (IIASA), an international team of researchers developed a novel way to store energy by transporting sand into abandoned underground mines.

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Three sustainable marine fuels showcased at Miami International Boat Show

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The North American recreational boating industry showcased three sustainable marine fuels during an opening day event at the Discover Boating Miami International Boat Show. Sustainable marine fuels minimize CO 2 emissions from recreational boating while maintaining boats’ range and performance.

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Cummins begins testing of hydrogen-fueled internal combustion engine

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Cummins has begun testing a hydrogen-fueled internal combustion engine. The hydrogen engine program can potentially expand the technology options available to achieve a more sustainable transport sector, complementing our capabilities in hydrogen fuel cell, battery electric and renewable natural gas powertrains.

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Diamond Green Diesel to more than double renewable fuel capacity using second Honeywell Ecofining unit; 675M barrels renewable diesel per year

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will more than double its annual production of renewable diesel with the completion of a second Honeywell Ecofining process unit with a capacity of 30,000 barrels per day (bpd). The Diamond Green Diesel facility converts inedible oils and other waste fats into a high-quality renewable diesel fuel. and Darling Ingredients Inc.,

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Audi introduces longer range and AWD quattro versions of Q4 e-tron compact electric SUV

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Audi is now adding two new versions to the range—the Q4 Sportback 40 e-tron, the model with the longest range in the series; and an all-wheel-drive version, the Q4 45 e-tron quattro. At up to 534 kilometers (332 miles) (WLTP), the Q4 Sportback 40 e-tron offers the most range out of all of Audi’s electric models.

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Study finds future-fuel demand for shipping industry equal to entire current global production of renewables

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Huge and immediate need for renewable-based fuels in shipping represents opportunity for investors, according to ‘Fuelling the Fourth Propulsion Revolution’ report released today. This is the equivalent of the entire world’s current renewable energy production. Vancouver, Canada. 17th May 2022. MWh to €156.40/MWh MWh in 2050).

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International automotive researchers emphasize the importance of continued development of the internal combustion engine

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Thirty-seven globally prominent scientists representing the International Journal of Engine Research have published an open-access editorial addressing the future of the Internal Combustion Engine, and stressing the importance for continued development of more efficient and even lower-emitting technologies. —Reitz et al.