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The 2017 BMW 330e gives a taste of electric driving, with its associated efficiency, in a competent sport sedan, but its multiple combinations of drive modes will really appeal to number nerds.
The 2015 Mercedes-Benz S550 Hybrid adds reasonable fuel economy and a few miles of pure electric driving to an already extraordinarily comfortable, capable and high-tech luxury sedan, brought down only by slow-to-connect onboard data.
It's no surprise that the 2015 BMW 740Ld xDrive is a comfortable cruiser, but the big Bimmer handles like a much smaller sport sedan.
The 2014 Toyota Highlander Hybrid offers a serious increase in efficiency over the standard model without compromising its power, comfort, or parent-friendliness.
The updates to the 745e xDrive make it a more appealing luxury plug-in hybrid.
The BMW i8 is a mostly engaging ride from a unique hybrid powertrain, but those looking for flat-out speed should stick to old-fashioned petrol.
The 2016 Toyota Prius is the most fuel efficient car without a plug, but it's also surprisingly easy to live with thanks to its spacious comfortable cabin and an assortment of smart tech amenities.
Among midsize sedans, none is as technology-rich as the 2013 Ford Fusion, which mixes efficiency, driver assistance, and infotainment features in one attractive package.
The least expensive, most efficient way to beat the Prius at its own game.
The S90 is one of the best ways to turn heads without appearing as though you're trying too hard.
The Volvo XC60 is a top contender in its class, handily catering to the wants and needs of compact luxury SUV shoppers. Just go easy on the options.
The 2016 Audi A3 e-tron adds eco-friendliness and a bit of utility to the already premium A3, but it's far from the best choice for plug-in hybrid efficiency or EV range.
Lighter and more high-tech than you might expect, we like the direction that the 2016 CT6 takes the Cadillac brand. The luxury sedan makes a strong first impression, but faces stiff competition in this highly contested class.
The plug-in hybrid champ gets even better for 2019.
It's not the best value in its class, but if you're considering the 7 Series, the more efficient 2018 BMW 740e plug-in hybrid is worth a second look.
A worthy flagship luxury coupe with above average performance chops and stunning design.
The 2017 Hyundai Ioniq Hybrid may not be a Prius-killer -- even with its excellent mpg -- but it's certainly a solid competitor worthy of consideration for eco-minded and budget-conscious buyers.
Not a quantum leap, but a big step forward. The new Volt really impresses.