HARTFORD, Conn.—-Economically and environmentally savvy drivers have set off a wave of hybrid car sales in Chicago and statewide. A recent study from hybridcars.com ranks Chicago as fifth on the list of top cities for hybrid sales.

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California drivers buy more fuel-efficient hybrid cars than any other state, and most of them do it due to financial rather than environmental concerns, according to a study released Tuesday. A total of 39,830 new hybrids were registered in California for the year to date through May, almost five times as many as in Florida, the next closet state with 8,810 registrations, said the report by the …

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Washington ranked No. 4 in the country in new hybrid car purchases last year, with residents buying 13,107, according to new car registrations. (TRV)

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Chicagoans like their hybrids, according to a survey by hybridcars.com. Chicago ranked No. 5 among American cities — and Illinois held the same ranking among states — for new hybrid-car sales this year through May, the survey found.

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Narrator: This is Science Today. If you’ve ever been in a hybrid car, you may have appreciated how quiet the engine runs when operating with their electric motors. But a University of California, Riverside study has found that this low audibility actually poses a risk to the blind.

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General Motors says it’s “essentially finished” designing its first plug-in hybrid car, the Chevrolet Volt, and will have production-ready prototypes within 10 days.

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Hyundai Motor Corp. says it will bring a gas-electric hybrid version of its Sonata sedan to the U.S.

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Aug. 18, 2008 — EU regulators on August 18 approved a joint venture between South Korea’s Samsung SDI and Germany’s Bosch Corp to produce batteries for hybrid vehicles.The deal, signed in June, calls for the 50-50 joint venture known as SB LiMotive to start production in 2010.

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A new campaign in Texas is giving Texans a chance to win a hyrbrid.

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When we last left gearhead Robert Q. Riley and his three-wheeled DIY 225 MPG XR3 car kit in March 2007, rumor had it drivers would be zipping around roadways in it by May. Turns out the DIY hybrid…

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