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New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). As testament to the filtration efficiency of the latest gasoline particulate filters (GPFs), tailpipe mass emissions are now as low as 0.02

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Bentley ending production of iconic W12 engine with the most powerful version ever

Green Car Congress

Bentley will cease production of its 12-cylinder gasoline engine in April 2024, by which time more than 100,000 examples of the iconic W12 will have been handcrafted in the company’s Dream Factory in Crewe, England. Development work has concluded recently on the most powerful version of the W12 ever created.

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FEV working on water injection system using exhaust condensate; fuel consumption improvements up to 16% possible

Green Car Congress

FEV is developing a water injection system for internal combustion engines using condensate from exhaust gases, the “Extended Direct Condensate Injection” system. in the region of the minimum specific fuel consumption on a stoichiometric combustion concept with Miller cycle and cooled external exhaust gas recirculation.

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LiquidPiston unveils 70cc rotary gasoline engine prototype embodying HEHC; power dense, low-vibration

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LiquidPiston X1 engine features three separate combustion chambers creating 3 power strokes per revolution for high power density. In prototype testing, the spark-ignited X Mini engine has shown high power density, producing 3.5 The X Mini 70cc rotary gasoline engine. Water may be injected to internally cool the engine.

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KAIST/Hyundai team explores effects of water direct injection on gasoline engine under high load

Green Car Congress

Researchers from the Korea Advanced Institute of Science and Technology (KAIST) and the Advanced Gasoline Engine Development Team at Hyundai Motor Company report on the effects of water direct injection on a gasoline engine under high-load conditions in a paper in the International Journal of Engine Research.

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Mercedes-Benz powering ahead with €3B strategic engine initiative; increasing electrification, 48V; diesel and gasoline; cylinder deactivation

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The new six-cylinder in-line gasoline engine M 256 features a 48 V electrical system. The M 256 is the first member of a new family of premium gasoline engines that have for the first time been systematically designed for electrification from the outset. Mercedes-Benz is investing a total of around €3 billion (US$3.3 Click to enlarge.

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Audi introduces new CNG A3 Sportback

Green Car Congress

Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. This is supplemented by the additional range offered by the reserve gasoline tank with a net usable volume of 9 liters (2.4 The A3 Sportback 30 g-tron 1.5 lb-ft) of torque between 1,400 and 4,000 rpm.

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