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Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

Green Car Congress

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. When the SCR system breaks down, the filter gets clogged, requiring more fuel to be injected to burn it off, according to the complaint.

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

Green Car Congress

Mercedes-Benz is investing a total of around €3 billion (US$3.3 Dr Thomas Weber, Member of the Daimler Board of Management with responsibility for Group Research at Daimler AG and Mercedes-Benz Cars Development. Another feature of the new family of premium gasoline engines is near-engine exhaust aftertreatment. —Prof.

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Daimler launches diesel plan; expands recall to >3M units, accelerating next-gen diesel launch

Green Car Congress

Since March, Mercedes-Benz has offered its customers of compact-class cars an improvement in NO x emissions for one engine version. To improve the emissions of additional model series, Daimler has now decided to extend the service action to include more than three million Mercedes-Benz vehicles. New engine family.

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ICCT-led test of 73 Euro 6 diesels finds large difference in NOx results under NEDC and more realistic WLTC

Green Car Congress

The three main NOx control technologies currently on the market are exhaust gas recirculation (EGR); lean-burn NO x traps (LNT); and selective catalytic reduction (SCR). EGR systems recirculate a portion of exhaust gas to the combustion chamber, lowering the combustion temperature and the production of engine-out NO x.

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Road Test: 2021 Cadillac XT5 Premium Luxury FWD

Clean Fleet Report

Competing in the premium midsize SUV category, the 2021 Cadillac XT5 is right in the middle of stiff competition, including models from Acura, Audi, BMW, Genesis, Infiniti, Land Rover, Lexus, Lincoln, Maserati, Mercedes-Benz, Porsche, Tesla and Volvo. The fuel economy, which is best in Tour, was aided by cylinder deactivation, where the 3.6L

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

Green Car Congress

The Freightliner SuperTruck features a low-back-pressure, next-generation aftertreatment system that efficiently removes NO x from the exhaust stream. The aftertreatment system features additional insulation to retain maximum heat energy in the exhaust. This reduces friction, and increases efficiency and fuel economy.

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Road Test: 2022 Maserati Levante Trofeo

Clean Fleet Report

The EPA rates fuel economy to be 13 city/20 highway/16 combined while running on 91 octane. The design is just different enough that it is easily differentiated from its closest competitors—the BMW X5, Mercedes-AMG GLE63 S and the Porsche Cayenne. Five-Seat Speedster. A smooth design. Leather and Carbon Fiber Interior.