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

Green Car Congress

Achates Power announced that the 10.6-liter, The Achates Power ultra-low-NOx engine is engineered to achieve superior fuel efficiency because of its lower heat losses, improved combustion and reduced pumping losses. Achates Power is backed by the Oil and Gas Climate Investments, Saudi Aramco Energy Ventures, and other investors.

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

Green Car Congress

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. Click to enlarge.

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ORNL-led team developing breakthrough high-temperature, high-strength Al alloy for advanced light-duty engines

Green Car Congress

A team led by researchers from Oak Ridge National Laboratory (ORNL) is developing a lower-cost cast aluminum (Al) alloy capable of at least a 50 ˚C temperature increase over the current cylinder head alloys 319 and 356 for use in light duty engines. Materials for exhaust and energy recovery. Earlier post.).

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Achates Power developing light-duty two-stroke opposed-piston diesel engine: the OP4

Green Car Congress

The OP4 light-duty opposed-piston diesel. Achates Power, which is developing a family of two-stroke, compression-ignition (CI) opposed-piston (OP) engines, has designed and is developing a light-duty diesel concept engine, the OP4. Source: Achates Power. Light-duty OP4. Click to enlarge. Click to enlarge.

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Rare Rides Icons: The Cadillac Eldorado, Distinctly Luxurious (Part XIII)

The Truth About Cars

The braking system received a new power unit, and the emergency brake was activated and released via a pedal on the floor (previously a hand-activated pull bar). All Cadillacs breathed easier via a new dual exhaust in 1957. All parts worked together to reinforce the car structurally and make it safer, with no frame rails needed.

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Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing

Green Car Congress

With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company. Volkswagen developed twin dosing technology for the exhaust gas treatment. Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing.

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Honda begins production of 2023 Honda CR-V Hybrid in North America

Green Car Congress

Representing a key step in Honda’s electrification strategy, starting with the 2023 model year, about 50% of CR-V’s annual sales in the US will be powered by Honda’s new, more powerful fourth-generation two-motor hybrid-electric system. An associate at the Anna Engine Plant assembles the Atkinson-cycle engine.