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

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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 a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.

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Mercedes OM 656 diesel now available in G-Class in G 350 d

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Mercedes-Benz has expanded the powertrain line-up of its new G-Class with an efficient diesel variant. As a result, the G-Class model range now offers buyers a choice between the G 500 (fuel consumption, combined: 12.1-11.5 This heats up the exhaust system without driving up fuel consumption.

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Mercedes-Benz launching capacitive steering wheel in E-Class this summer

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This summer, the Mercedes-Benz E-Class will introduce a new, comprehensively digitalized generation of steering wheel: the capacitive steering wheel. Steering-wheel design is a world of its own and a very special challenge that is often underestimated. —Hans-Peter Wunderlich, Creative Director Interior Design at Mercedes-Benz.

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Shell/AirFlow Starship hyper-fuel efficient Class 8 truck to make cross-country run

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Shell has partnered with the Airflow Truck Company to collaborate on a hyper-aerodynamic, fuel-efficient Class 8 concept truck: Starship. This next-generation concept truck features a custom, aerodynamic design and aims to demonstrate improvements in fuel economy for Class 8 trucks. Bespoke design, elongated flaps fit.

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GE Aviation completes initial design of supersonic engine for Aerion AS2

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GE Aviation has completed the initial design of the first supersonic engine purpose-built for business jets. This new engine class, revealed as GE’s Affinity turbofan, is optimized with proven GE technology for supersonic flight and timed to meet the Aerion AS2 launch ( earlier post ). AS2 supersonic business jet.

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Next-generation Cummins 6.7L turbo diesel first in class to deliver 1,000 lb-ft of torque

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turbo diesel engine featuring a first-in-class 1,000 pound-feet (1,356 N·m) of torque. The heart of the engine is a higher strength alloy crankshaft with a 10-bolt crank flange driving newly-designed forged connecting rods and new bearings, which transfer power from the low-friction ring wrapped pistons. 2019 Ram Heavy Duty 6.7-liter

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IAV develops new close-coupled diesel exhaust gas aftertreatment system for improved emissions reduction

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IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. A key contribution to this performance must come from the exhaust gas aftertreatment system—across the entire speed and load range. This way, exhaust gas flows through DOC and SCRF before it enters the turbine.

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