efficiency
Light is Right: How GM is Slashing Weight from its Cars
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We sat down with GM insiders to see how it is working to lighten its entire product range to increase fuel efficiency.
Average U.S. Fuel Economy Flat this Year: Report
Efficiency matters, but drivers don’t always go for the most economical option when purchasing a new vehicle. The latest average fuel-economy figures for new vehicles sold in the U.S. last month are out and they’re essentially unchanged from January.
Are Naturally Aspirated Engines Going Away?
In the race to improve efficiency and cut emissions, more and more automakers are turning to forced induction as a way of increasing fuel economy without sacrificing drivability.
Why is My Gas Mileage so Bad?
Is your vehicle not living up to the promises made on its window sticker? Do your real-world miles per gallon look like the prices on a fast-food value menu? If fuel economy is falling short here are some possible culprits and a few solutions to maximize your MPG.
2015 Mazda6 vs. 2015 Subaru Legacy
For decades, Subaru has been perfecting the craft of equipping all-wheel drive to nearly every product in its portfolio.
Aluminum Turbos Save Weight, Money
Weight is the mortal enemy of performance and efficiency. One of the most effective ways of increasing a vehicle’s fuel economy and improving its driving dynamics is to cut unnecessary mass. Every component is fair game for optimization, including turbochargers.
Continental Develops Fuel-Saving Electrical System
Modern vehicles feature electrical systems that operate on 12 volts. This has pretty much been the industry standard since about the mid-1950s. But engineers at Continental are working to really step things up.
Hyundai, Kia to pay $350 Million Over False MPG Claims
It will cost Hyundai and Kia more than $350 million to settle the government’s two-year investigation into the inflated fuel-economy ratings of some 1.2 million vehicles.
EPA Makes BMW Correct MINI Fuel-Economy Figures
Hyundai and Ford aren’t the only manufacturers that have been forced to revise their fuel-economy scores. Now BMW is joining this hall of shame.
Why are Diesels More Efficient Than Gasoline Engines?
Diesel. To many American drivers the “D” word is something of a mystery. It’s associated with construction equipment, tractor trailers and hillbillies “rollin’ coal” in their modified pickups, spewing more black smoke than a burning pile of used tires.
Top 10 Most Fuel-Efficient Non-Hybrid Family Sedans
Midsize sedans are a big deal; this segment is one of the most important in the automotive industry. Corporate fortunes are won or lost on the backs of these versatile, hard-working cars.
Toyota to Boost Hybrid Efficiency 10% With New Chips
Toyota hopes to boost the efficiency of its hybrid vehicles by as much as 10 percent through a new semiconductor that uses less energy.
Volvo’s Drive-E Engines Delivers the Goods with Low CO2 Emissions
All automakers are under enormous pressure to deliver the highest fuel economy possible without sacrificing performance. Volvo’s answer to the problem is their new Drive-E lineup of engines.
Top 10 Ways to Improve Your Fuel Economy
Modern vehicles are expensive, and it’s not just the gigantic figure on the window sticker that hurts. You have to consider the price of everything else involved with automobile ownership.
Top 10 Most Fuel Efficient Used Cars
Fuel economy is a major purchase consideration for new-vehicle shoppers; in fact it’s the No. 1 thing they look for in a car or truck. Consumers continue to demand ever greater mileage, and so does the federal government. Washington keeps turning up the wick on its Corporate Average Fuel Economy (CAFE) regulations. In response to…
Ask AutoGuide No. 2 – Uday’s Ultimatum
“Ask AutoGuide!” is our newest feature. It debuted last week to copious fanfare and considerable tweeting. Its premiere was the internet equivalent of a ticker-tape parade but without the high-school ribbon dancers and mess of confetti.
2013 Nissan Frontier Gets Lower Price, Higher MPG
Along with V8 engines and the manual transmission, compact pickups are on the endangered automotive species list. To fend-off extinction, Nissan has made a few important changes to the 2013 Frontier to lift its sales.
RAM Marks 2M Cummins Engines, Marchionne Speaks to Diesel’s Future
It wasn’t so long ago that diesel engines conjured images of black smoke belching trucks with exhaust stacks sticking out the sides.
High-Octane Hijinks: Is Premium Fuel Better Than Regular?
When it’s time to top-off the tank, drivers are confronted with a dizzying variety of choices at the pump. There’s premium gasoline, mid-grade, regular and – depending on where you live – some even offer ultra-high octane, with a rating of 94 or above.
Hyundai, Kia Resale Values to Weather Storm of Fuel Economy Blunder: Experts
Last week Hyundai and Kia made an embarrassing confession; they’ve been overstating the fuel efficiency of their vehicles for the past three years. This miscalculation includes most of the models in both of their lineups. To make things right the South Korean automakers are readjusting the numbers and reimbursing customers. That should help rebuild trust…
Chevrolet Spark Gets Less than 40 MPG
Chevrolet’s subcompact, the Spark, looks more like something out of a Pixar production than a car bearing the bow tie badge, but all is forgiven in the sub compact world provided good gas mileage. While the Spark isn’t bad, it could be better.
2013 Audi Q5 Winter Testing Spy Photos
Our spies caught the new Audi Q5 out for winter testing without the usual camo clothing you might expect from such spy photos. We’ve got to laugh a little at the German automaker for deciding to intentionally offer less-than-optimal fuel efficiency in the Q5s headed to North America. Their 2.0-liter TDI is actually more efficient than…
2013 Audi Q5 Getting Not-So-Efficient Diesel
Efficiency is important these days. The government is cracking down on gas guzzlers and imposing strict regulations that force automakers into saving more fuel than ever before. That’s why it might come as a surprise that Audi of America is opting not to offer their most efficient diesel engine in the upcoming 2013 Q5. That’s…
MythBusters Proves Cars are Greener than Motorcycles [Video]
There are many great reasons for owning a motorcycle. They cost less, are cheaper to run, easier to repair and easier to park. They even get better mileage and as a majority of commuter driving is alone, a motorcycle is all you need. While a typical motorcycle’s mpg numbers do make it seem like its…
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