Fuel Efficiency

We're always interested to hear what sort of cars our readers drive. We're even more interested to hear what gas mileage you're all getting from those cars. Testing a car for a weekend, or a week, is all well and good, but a wide cross-section of owners will always get wildly varying results...

What motivates you to buy a green car? For some, it's the desire to do just a little to help the environment. For others, it might be the technology. Some may simply want to save money. If the latter is a major factor, you may be interested to know that the cheapest car to run over five years is...

Selling luxury vehicles is a delicate balancing act. Concentrate on your most wealthy clientele and the market is lucrative, but limited. But go too far the other way, catering for the mass market, and you risk damaging your reputation. This is the barrier Mercedes-Benz has had to cross in...

Every month, the University of Michigan sends out its weighted average of the gas mileage of all new cars sold the previous month. And for January, the news is good. The new vehicles sold in the U.S. during January scored a sales-weighted average fuel efficiency of 24.5 mpg. That's up 0.4 mpg from...

We tend to like small cars, as a personal preference. But the very smallest of cars often don't get the best gas mileage, and they can feel subjectively unsafe in some driving conditions. So how did our 2013 Chevrolet Spark minicar do on gas mileage? We've concluded that--depending how you use...

The new Atlas Concept that Ford Motor Co. [NYSE: F] unveiled at Detroit this past week revealed several interesting technologies that altogether could save fuel (active grille shutters, active wheel shutters, a drop-down air dam, and power running boards) and be useful to serious truck users...

There's good news and bad news for green car fans in the latest J.D. Power and Associates Avoider Study. For a decade, that study has interviewed recent car buyers, asking detailed questions about their purchase decisions. As you might guess from the title of the survey, Power focuses not only on...

Hyundai and Kia's recent EPA mileage overstating scandal has attracted sharp criticism from one top Honda Motor Co. U.S. executive. John Mendel, executive vice president of Honda's U.S. car sales, feels the Korean duo betrayed the trust of customers under competitive pressure. Mendel told industry...

A new scheme in the UK offers to plant dozens of trees whenever someone recycles their old car through the program. Called "Scrap Car, Plant Tree", it's aimed at getting people to donate their old, inefficient vehicles to raise money for the creation of inner-city "green spaces". According to...

The Jeep Grand Cherokee isn't usually what people think of when you say "green car," but the new diesel version that's coming for 2014 moves it somewhat closer to that category. Unveiled first thing Monday morning, the 2014 Jeep Grand Cherokee EcoDiesel is part of an updated 2014 lineup for the...

In order to improve the aerodynamics of new vehicles—and boost their highway gas mileage—automotive engineers have looked to a new series of seemingly minor features that add up to meaningful gains in EPA ratings. One of them is the active grille shutters that have become increasingly...

Much fanfare has been made about Ford's 1.0-liter, 3-cylinder turbocharged EcoBoost engine. Offering the performance of a 1.6-liter with the economy of a much smaller unit, many would have you believe it represents the future of internal combustion. If not transported to the future, our first drive...

The 2013 Detroit Auto Show will mark the debut of a crossover concept from Honda, dubbed the 'Urban SUV' concept. It's set to be based on the next-generation Honda Fit, making it the latest in a line of downsized crossovers promising chunky styling with a fuel-efficient twist. They're a world away...

Cars averaging 23.8 mpg don't usually get much coverage on GreenCarReports--they simply aren't that green. In this instance though, that gas mileage figure doesn't refer to a particular car--it refers to every car sold in 2012. Researchers at the University of Michigan Transportation Research...

Startups making small, economical vehicles come and go, but one company offering a high-efficiency vehicle has big plans, buying a former General Motors assembly plant. Elio Motors is the company behind a three-wheeled car capable of 84 mpg highway, on nothing more complicated than gasoline...

The 2013 Ford C-Max Hybrid is a comfortable, quiet, well appointed five-door compact hybrid hatchback that appears to get 35 to 40 mpg in most real-world usage. But it is not a 47-mpg car, from the bulk of the evidence available. The C-Max is selling well--much faster than the original Prius did...

General Motors is celebrating being the first U.S. automaker to sell more than one million vehicles in a single year capable of 30 mpg or more on the highway. Sales of 13 different 30 mpg-capable models totaled one million units in 2012, with four models--the Spark, Cruze, Sonic and Volt--managing...

Smart's tiny Fortwo city car is being replaced in early 2014, and more details are emerging on the next generation small car. Changes include new engines, new transmissions and a size increase--but partner Renault will no longer be producing its own two-seat equivalent. CAR Magazine reports that...

High-mileage option packages have become quite familiar over the last few years, as buyers begin to seek ways to lower their gas bills. Ford SFE models, Cruze Ecos, HF-spec Civics and more: They're all designed to eke out an extra few MPG, using subtle but effective eco tweaks to largely standard...

Environmental Protection Agency Administrator Lisa Jackson confirmed this morning that she is to resign from her position, the Washington Post reports. As well as setting standards to cut mercury and other toxins from coal power plant pollution and limits on the dumping of waste, Jackson has played...