Remove Convert Remove Exhaust Remove Fuel Economy Remove Miles
article thumbnail

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. According to the lawsuit, RAM owners report that efforts to fix the faulty emissions system significantly affect engine performance and mileage, with miles per gallon dropping as much as 25%.

article thumbnail

Chevy Colorado diesel pickup EPA-rated at up to 31 mpg highway

Green Car Congress

The 2016 Chevrolet Colorado two-wheel drive with the Duramax turbo-diesel ( earlier post ) will be the most fuel efficient pickup in the US, offering an Environmental Protection Agency-estimated 31 mpg (7.58 l/100 km) highway fuel economy. The EPA has issued a Certificate of Conformity for the Chevrolet Colorado Duramax diesel.

Colorado 150
article thumbnail

Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

Green Car Congress

The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. On the other hand, it is well known that in an internal combustion engine up to 35% of the energy developed by the fuel combustion is dissipated in the exhaust gases. Skarke et al.

Waste 312
article thumbnail

2014 Jeep Grand Cherokee offers new 3.0L EcoDiesel V-6 and 8-speed for 30 mpg highway

Green Car Congress

Among the many features of the new 2014 Jeep Grand Cherokee—introduced at the Detroit Auto Show—two in particular contribute to significantly improved fuel economy and driving performance: an optional new 3.0-liter L/100km) highway for the SUV (4x2) and a range of more than 730 miles (1,175 km). Click to enlarge.

Jeep 231
article thumbnail

Qoros Auto unveils drivable engineering development car with QamFree engine; near +50% boost in power & torque, -15% fuel consumption

Green Car Congress

This results is much more precise and completely customizable control over valve duration and lift, on both the intake and exhaust sides. This represents a 47% increase in power, a 45% increase in torque and a 15% reduction in fuel consumption when compared to a traditional camshaft engine with similar specifications.

Engine 218
article thumbnail

2019 Ram drops weight, gains 48V eTorque mild hybrid system

Green Car Congress

The battery pack includes a 3-kilowatt DC-to-DC inverter to maintain the battery’s state of charge and convert 48 volts to 12 volts to power the Ram 1500’s accessories and charge its conventional 12-volt lead-acid battery. Cooling air is drawn from inside the truck and vented via the built-in cabin exhausters. Pentastar with eTorque.

2019 240
article thumbnail

Daimler debuts diesel-powered S-class for US market

Green Car Congress

AdBlue, an aqueous urea solution, is injected into the exhaust flow. Releasing ammonia, which converts up to 80% of NO x into nitrogen and water in the downstream SCR (Selective Catalytic Reduction) catalytic converter. The tank is replenished at the regular maintenance intervals every 10,000 miles.

Diesel 210