article thumbnail

ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal legal light-duty vehicles from 1984 to present. Speed increase. 50 to 60 mph.

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. When the SCR system breaks down, the filter gets clogged, requiring more fuel to be injected to burn it off, according to the complaint.

article thumbnail

Valeo acquires electric supercharger business from Controlled Power

Green Car Congress

Unlike exhaust-driven turbochargers, electric superchargers are driven by an electric motor. version of the vehicle but with fuel economy and CO 2 emissions approaching those of a Prius. CPT was advised on the transaction by Turquoise International (corporate finance) and Matthew Arnold Baldwin (legal & tax).

Power 326
article thumbnail

Ricardo developing advanced simultation capability for IMPERIUM project for HD emissions reductions

Green Car Congress

The main objective of the project is to reduce fuel consumption by 20% (diesel and urea) against the project’s 2014 Euro VI baseline vehicle, while keeping the vehicle within the legal limits for pollutant emissions.

Emissions 150
article thumbnail

T&E: VW sells least polluting Euro 6 diesels in Europe; no brand meets Euro 6 in real-world driving; loopholes & defeat strategies

Green Car Congress

T&E charges that diesel cars are failing to operate their exhaust after-treatment systems for most of the time the car is driving, “almost certainly illegally misusing” a loophole in the rules governing the use of Defeat Devices. VW Group’s Dieselgate engines were mostly of the previous Euro 5 generation. Loopholes.

Pollution 150
article thumbnail

ICCT study concludes no technical barriers to use of higher blends of ethanol

Green Car Congress

The consumption scenarios are technically achievable but do not reflect significant barriers such as cost, regulation, legality, and consumer acceptance. car warranties, cost, food-vs-fuels arguments). Primary technical concerns with using intermediate-level blends of ethanol in the vehicle fleet include: Fuel economy.

Gasoline 230
article thumbnail

News: 2023 Toyota and Lexus New Products

Clean Fleet Report

Clean Fleet Report has tested many Toyota hybrid models and know this fuel economy number can easily be topped, getting in the 40+ mpg range. With the change comes an increase in horsepower from 139 to 169, faster 0-60 mph by two seconds and fuel economy increased to 31 mpg city/40 highway/34 combined. GR Cup Series.

Lexus 83