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Kia Optima Hybrid sets a new Guinness World Record for fuel economy; Gerdes and Bernius achieve average 64.55 mpg through 48 US states

Green Car Congress

A Kia Optima Hybrid ( earlier post ) driven by hypermiler Wayne Gerdes and his colleague Chris Bernius set a new Guinness World Record for the lowest fuel consumption in a hybrid gasoline vehicle while driving through all 48 adjoining US states. mpg US (3.64 mpg US (3.64 mpg, which the Optima Hybrid exceeded by 23%.

MPG 294
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Consumer Reports testing finds many small turbo engines underperforming; fuel economy, acceleration no better than in larger conventional powertrains

Green Car Congress

Consumer Reports’ own fuel economy tests of vehicles equipped with small turbocharged engines has found in many cases that the turbocharged cars tested by CR have slower acceleration and no better fuel economy than the models with larger conventional engines, the organization said. l/100 km) figures—i.e., Earlier post.).

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Hyundai and Kia settling litigation over fuel economy reductions; valued at up to $395M

Green Car Congress

Hyundai Motor America and Kia Motors America have entered into settlement agreements with current and former owners and lessees of vehicles affected by the Hyundai/Kia November 2012 lowering of fuel economy ratings. Earlier post.) 2424) in United States District Court for the Central District of California before Judge George H.

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Hyundai/Kia to correct overstated fuel economy claims of MY 2012 and 2013 models as result of EPA investigation

Green Car Congress

Hyundai Motor America and Kia Motors America will reduce their fuel economy (mpg) ratings for a number of 2011-13 model year models in showrooms after EPA testing found discrepancies between agency results and data submitted by the company. The Sonata Hybrid will see a reduction of 1 mpg. City FE (mpg).

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

Green Car Congress

EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. mpg increase over the previous year and an increase of nearly 5 mpg since 2004. Adjusted fuel economy distribution by model year. Fuel economy. Source: EPA.

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UMTRI: average fuel economy of new vehicles sold in US in October hits highest level yet

Green Car Congress

University of Michigan Transportation Research Institute (UMTRI) researchers Michael Sivak and Brandon Schoettle report that the average fuel economy (window-sticker value) of new vehicles sold in the US in October reached 24.1 mpg from October 2007 (the first month of their monitoring). l/100km)—the highest level yet, and up 4.0

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UMTRI: November average new vehicle fuel economy in US same as October; September Eco-Driving Index at a record 0.8

Green Car Congress

The average fuel economy (window-sticker value) of new vehicles sold in the US in November was 24.1 mpg from October 2007, according to the latest tracking figures from Michael Sivak and Brandon Schoettle at the University of Michigan Transportation Research Institute (UMTRI). Average sales-weighted mpg. Source: UMTRI.