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DOE awards Hyundai $4.95M for work on advanced mixed-mode gasoline engine; Co-Optima

Green Car Congress

million over three years as part of an $80-million Co-Optima funding round ( earlier post ) to conduct research and development for an advanced mixed-mode gasoline (spark/compression ignition) engine to attain significant improvements in both fuel economy and CO 2 emissions.

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UPS updates 125 Workhorse E-GEN series hybrid electric step vans with smaller genset engine for better fuel economy

Green Car Congress

UPS announced an update to 125 Workhorse E-GEN series hybrid electric delivery trucks that improve fuel economy as part of the company’s broader Rolling Laboratory approach. The smaller engine will improve fuel economy, however. A compact, quiet-running 650cc 2-cylinder engine replaces the previous 2.4L

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New Illinois law raises speed limit to 70 mph on rural highways

Green Car Congress

A study by researchers at Oak Ridge National Laboratory found that increasing a vehicle’s speed from 60 to 70 mph results in an average 14% decrease in fuel economy. Earlier post.). The new law lowers that threshold to 26 mph over the limit to increase safety on Illinois roads. The law is effective 1 January 2014.

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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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Honda includes stop-start system in new 2016 Honda Pilot for improved fuel economy, new 9-speed

Green Car Congress

This is the main reason why deactivating the cylinders contributes to improved fuel economy. This makes intake easier for the active cylinders, reducing intake pumping losses for improved fuel economy. This contributes to improved fuel economy. Engines Fuel Efficiency Vehicle Systems Weight reduction'

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Hyundai unveils 2021 Elantra and Elantra Hybrid; 50 MPG EPA-estimated combined rating on the first Elantra Hybrid

Green Car Congress

Production of the 2021 Elantra starts in the fall in Ulsan, Korea and at Hyundai Motor Manufacturing Alabama, and sales begin in the fourth quarter. MPI Atkinson Cycle engine that also has a focus on fuel economy. This allows for improved fuel economy at higher gear ratios and improved performance at lower ratios.

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2014 Acura MDX features new 3.5L i-VTEC V-6 with cylinder deactivation

Green Car Congress

The 2014 MDX has an EPA fuel economy rating of 18/27/21 mpg US (13.0, The 2014 MDX was designed and developed in the US and will be built at the Lincoln, Alabama plant using domestic and globally sourced parts. Built on a completely new platform, the seven-passenger MDX is powered by an all-new direct-injected 24-valve 3.5-liter

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