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Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

Green Car Congress

The cleaner engine is able to deliver ultra-low NO x by managing exhaust gas temperatures to ensure rapid catalyst light-off and by maintaining aftertreatment temperatures at optimum operating conditions in all driving conditions. CALSTART leads the extensive demonstration project team.

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Stena Line seeking novel approaches to recover energy from exhaust gases from ship engines

Green Car Congress

Stena Line is seeking novel, cost-effective approaches to recover energy from exhaust gases from ship engines and to transform it into a more useful energy form (e.g., The company is also interested in efficient turbine systems that generate electricity from the kinetic energy from the massflow and velocity of the exhaust gases.

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2023 Ford F-150 Raptor R Review – Beast Mode

The Truth About Cars

Sure, you’ll be envisioning an endlessly spinning price meter on a gas pump, but you’ll also be making short work of the stoplight-to-stoplight dash. All four corners get Fox Racing Shox shocks that are gas-pressurized and have electronically controlled, continously-variable compression damping. The exhaust drowns it out, after all.

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Maryland commits to ban on gas vehicle sales

Teslarati

The State of Maryland followed in the footsteps of California today by banning all new gas vehicle sales by the model year 2035. Car exhaust is the largest source of greenhouse gas in the State of Maryland. 383,000 fewer new gas-powered vehicles would be sold under the new rule by 2030. to adopt the same standards.

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Review of research suggests inconclusive support for fuel consumption benefits of catalyzed EGR

Green Car Congress

Conflicting evidence does not support making a firm conclusion on the fuel consumption benefit of catalysed Exhaust Gas Recirculation (EGR), according to a review of current studies by a team at the University of Bath (UK). —Parsons et al.

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2022 Lexus LC 500 Convertible Review – Still Got It

The Truth About Cars

The best part about activating the sport modes is the kick-your-butt sharp shifts of the transmission and the accompanying soundtrack – the active exhaust note fires off a satisfying thwack when the gears switch. And once that top is dropped, you might find your right foot goosing the gas to get revs whenever possible.

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2024 Alfa Romeo Tonale Review — Bada Bing

The Truth About Cars

Even the most hardcore driving mode still tries to prioritize electric propulsion at low speeds while the adaptive exhaust system is burbling at idle — the engine itself doing nothing. The burbling exhaust note begins to dissipate once you’re moving along and the extra weight of the battery prohibits it from being a hardcore driver’s car.

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