Thursday, 20 June 2013

New gasolene mileage rules will reshape what Americans drive


Credit: Green Car Reports

A confluence of global warming & dwindling recoverable petroleum resources has led the automotive industry in the United States to agree to meet a corporate average fuel economy (CAFE) figure of 54.5 mpg (US) by 2025.

Toyota's Prius exceeds this requirement now.  The challenge is contained in the "C" for corporate in "CAFE".  That's a corporate average fuel economy figure.  I.e. it takes into account all vehicles in a corporation's model range.  For Toyota, that includes not only the Prius, but it's largest pickup & everything else in between.

John Voelcker takes a look at how this will change cars in the USA.  Look for something very similar in your country too:

Part I: Part I: Aerodynamics & Weight
http://www.greencarreports.com/news/1084852_new-gas-mileage-rules-will-reshape-what-americans-drive-aerodynamics-and-weight

Part II: Engines & Transmissions
http://www.greencarreports.com/news/1079103_new-gas-mileage-rules-will-reshape-what-americans-drive-engines-and-transmissions

Part III: Hybrids, Electrics, Cost
http://www.greencarreports.com/news/1084851_new-gas-mileage-rules-will-reshape-what-americans-drive-hybrids-electrics-cost / auto transmission aerodynamic aerodynamics wind tunnel slippery shape wind resistance air drag fuel consumption battery lead acid lithium ion charge recharge hybrid electric CVT single speed multi speed transmission automatic engine internal combustion atmospheric supercharged supercharger turbo turbocharged turbocharger naturally aspirated efficiency charge recharge plug in plug-in range mpg litres per 100 km kilometer kilometre miles per gallon imperial UK EPA rating window sticker differences fuel efficiency calculated slippery shapes cars diets lose excess weight mass wing mirrors spats corners wheel arches reduce airflow turbulence drag swirls eddies  swirl eddy eddie smooth out airflow over car active grille shutter smooth undertray wind tunnel mild petrol fuel energy /

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