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What is mpg and how does it compare with kWh or liters per mile?

We've all know miles per gallon is important, but what exactly does it mean?

Green
Most efficient vehicles of 2022

Broken down by powertrain, fuel economy and annual fuel costs

Official
2019 Jaguar I-Pace gets official 234-mile range rating

Its range figure is good, but its efficiency rating lags the competition

Its range figure is good, but its efficiency rating lags the competition.

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Tesla Model 3's 310-mile maximum range confirmed by EPA

A lower-cost 220-mile Model 3 is coming next year.

That makes the Model 3 one of the most efficient vehicles on the road today.

Official
2017 Chrysler Pacifica Hybrid scored 84 MPGe in government testing

The already-efficient Pacifica wins the EPA ratings game hands down.

Plus it has a 566-mile range.

Official
Honda Clarity Fuel Cell has the longest range of any EV: 366 miles

Hydrogen-powered Clarity's MPGe rating will be a somewhat modest 68.

You could get stranded a long, long way from the nearest hydrogen station.

Official
26,100 MPGe is the new Guinness record for vehicle efficiency

Teardrop-shaped three-wheeler breaks record on Audi's track.

You could go around the world with fuel to spare.

Green
More research shows why EVs are awesome

Studies show that electric buses are more profitable, and that saving fuel saves the planet.

Electric buses are 82 percent more profitable than diesel, and switching to an EV is your best bet to make an environmental impact.

Meet the Greenest and Meanest vehicles of 2016

The ACEEE's Annual Green List Does Away With One Type Of Powertrain

Using a cradle-to-grave analysis, the ACEEE ranks over 1,000 make/model trim lines to find the greenest and meanest (to the environment) vehicles of 2016.

Official
Hyundai Sonata PHEV will go 27 miles on electric power

99 MPGe Figure Is Also Better Than Forecast

The 27-mile all-electric range of the Hyundai Sonata PHEV is three higher than previously expected.

2016 Toyota Mirai Fuel Cell Vehicle likely to get 60 MPGe

Five Kg Of Hydrogen And 300-Mile Range Leads To Simple Outcome, We Think

Toyota isn't talking about the Mirai's fuel economy just yet, but that doesn't mean we can't make an educated guess. And we do so by looking at the competition and knowing that the DOE says that "One kg of hydrogen is roughly equivalent to one gallon of gasoline."

Official
2015 VW e-Golf scores 116 MPGe, 83 miles of range from EPA

Puts It At Top Of Compact Class, But Less Efficient Than BMW i3 Or Spark EV

The e-Golf has official EPA ratings of 126 MPGe (city) and 105 (hwy).

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Are the EPA's MPGe ratings hurting EV sales?

Confusion May Reign

Plug-in vehicle makers are losing out on sales dollars because the mileage ratings don't make a lot of sense. That's what one Venture Beat writer says after buying a Toyota Prius Plug-in and trying to apply the miles per gallon equivalent (MPGe) standard to real-world results. In short, it's difficult to do.

Recharge Wrap-up: Google Street View maps gas leaks, Rolls-Royce helps kids build electric racer

Groups call for MPG clarity in advertising

Google Street View is looking for gas leaks. Natural gas leaks are not only extremely dangerous, they're a terrible waste of resources and, as a greenhouse gas, a threat to the environment. Unfortunately, with the decaying infrastructure in many of America's older cities, they're pretty common, too. That's why Google is teaming up with the John Beltz Snyder

Official
2014 Mercedes-Benz B-Class ED has 87-mile range, 84 MPGe

Well, that extra weight had to be felt somewhere. With Mercedes-Benz getting ready to start US sales of its B-Class Electric drive this summer, the big question was how well its range would stack up against other electric vehicles sold in the States. Turns out, the Benz is a bit of a juice hog.

Official
BMW i3 REx rated at 117 MPGe, 39 mpg with 72-mile EV range

The numbers haven't made their digital way to the EPA's website

KLD Energy says OneDrive system could get 250 MPGe in a Fiat 500e, sort of

If you don't look too closely at the spec sheet (available here), it appears that KLD Energy is ready to release a small, highway speed EV for under $10,000. But then you notice that the $9,800 price is just for the "system," which here means the battery, motor, controller and charger. That's the cost to put the KLD powertrain into a small, four-wheel passenger vehicle, which no one has done yet but there are talks that may s

Official
2013 Ford Fusion Energi earns five-star safety rating from NHTSA

The Ford Fusion Energi plug-in hybrid has had a charmed life so far. Qualifying for California HOV lane status and getting impressive range and Jon LeSage

Official
2013 Nissan Leaf officially rated at 115 MPGe, with 75 miles* of range

The news keeps getting better for Nissan and its efforts to boost sales of its all-electric Leaf: the Environmental Protection Agency (EPA) ahs confirmed that the EV's range is about 15 percent better than it used to be.

Official
Chevy Spark EV rated at 82 miles, 119 MPGe combined

It's getting harder and harder to be the first/best/most electric vehicle in the US market. Most range goes to the Tesla Model S. First all-electric of the current generation goes to the Nissan Leaf or the Tesla Roadster, depending on your viewpoint. Best? Well, that's in the eye of the beholder, isn't it?

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