Fisker Automotive, which makes plug-in hybrid electric cars, is reportedly undergoing major layoffs, reported GigaOm.
And Porsche debuted the 2014 Panamera S E-Hybrid, the company's first plug-in hybrid vehicle.
Michigan-based ALTe has developed a turn-key plug-in hybrid conversion for fleet and niche vehicles.
The batteries will power the Chevrolet Volt, a plug-in hybrid coming later this year.
The new Ford Fusion Energi plug-in hybrid boasts 108 MPGe (miles per gallon of gas equivalent).
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GM's Chevrolet Volt plug-in hybrid, which begins production this fall, is also on display.
It's a future in which renewable electricity is fueling plug-in hybrid cars and energy-efficient homes and businesses.
The 2013 Honda Accord also has a plug-in hybrid version, in addition to four- and six-cylinder engines.
Carmakers, such as General Motors and Nissan, already have been selling plug-in hybrid or all-electric cars.
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And the Chevrolet Volt plug-in hybrid has rebounded from the they-catch-on-fire debacle, with sales of 1, 462 in April.
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The Chevy Volt is a plug-in hybrid vehicle with extended range capability that went on sale this month.
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The centerpiece of Project i are the i3 pint-sized EV vehicle and the flashy i8 plug-in hybrid supercar.
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Starting today, anyone interested can go online to build and price their ideal plug-in hybrid at this site.
ENGADGET: Ford C-Max Energi pricing: $29,995 after a federal tax credit, available this fall
The plug-in hybrid is an interesting bridge to the electric car, so settle down all you Prius owners!
By doing that, the plug-in hybrid has the potential to radically alter the energy equation that currently favors gasoline.
For the uninitiated, a plug-in hybrid is like a standard hybrid on steroids.
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The Chevrolet Volt, a plug-in hybrid, is due to be launched next year.
C-MAX Energi is Ford's first production plug-in hybrid vehicle and part of the company's first dedicated line of hybrids.
ENGADGET: Ford C-Max Energi pricing: $29,995 after a federal tax credit, available this fall
So far, Mercedes-Benz launched its 2014 E Class Hybrid and Volkswagen showcased the Crossblue plug-in hybrid SUV.
Porsche is introducing its first plug-in hybrid and two new extended wheelbase variants with the second generation of the Panamera.
ENGADGET: Porsche Panamera S E-Hybrid plug-in model brings 416 guilt-free horsepower
Ultimately, the invisible, under-the-hood electronic architecture of the plug-in hybrid will become as commonplace as automatic transmissions and anti-lock brakes.
And that means Honda is bringing both an urban, battery-operated commuter car and a plug-in hybrid concept to Los Angeles.
Many of its newer models, in fact, are small, fuel-efficient cars like the Chevrolet Volt plug-in hybrid and Cruze compact.
Another hugely promising development was unveiled by General Motors on January 7th: its Chevrolet Volt, a plug-in hybrid on steroids.
Fisker Automotive said in May it had delivered 1, 000 Karmas to customers globally since the plug-in hybrid went on sale.
The Volt is a plug-in hybrid with 25 to 50 miles of electric range, and another 300 from its gas engine.
Both Obama and McCain propose to accelerate the idea of a "plug-in hybrid, " a vehicle directly derived from the digital silicon economy.
It's clear the Detroit automaker is going after the hybrid juggernaut that is the Toyota Prius plug-in hybrid with this one.
ENGADGET: Ford C-MAX Energi plug-in hybrid test drive (video)
Google also supports plug-in hybrid vehicle technology and is part of a consortium of tech companies that advocates energy-efficient computers and servers.
Think of the plug-in hybrid as the biggest consumer electric appliance ever.
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