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Greenlings: What's a light-duty truck, and why should we care?

When is a truck not a truck? Well, that depends on your definition of truck, it seems, as many vehicles currently on dealer lots all around the country carry the truck designation from their manufacturers while most rational people like you and me would consider them cars. So, why would an automaker call its car a truck if it's not really a truck, and why should you care? That's the subject of today's Greenlings, and it may be a bigger issue than you think. Remember, cars and trucks carry different fuel economy requirements from the ... Read more →

Greenlings: Can racing really be green?

Humans are competitive creatures who have raced against each other in one form or another for millennia. The practice that likely evolved from hunting and the struggle to survive has adapted to ...

Greenlings: What's the point of concept cars?

Remember the Honda P-NUT? The unusual vehicle (pictured above, full details here) was unveiled at the 2009 LA Auto Show and ... well, now it's gone. Who knows if we'll ever see it again. Each ...

Greenlings: PHEV? DSG? VMT? A guide to common green vehicle acronyms

Deciphering the new vocabulary of the green car movement can sometimes be a real head scratcher. To alleviate as much confusion as possible, we would like to present our readers with a list of ...

What's the difference between kW and kWh?

Understanding electric and plug-in vehicles requires a slightly different knowledge set than what mechanics and drivers have needed to know for decades. One of the most obvious new concepts is the ...

Why does mileage drop in winter? 2 months ago on Autoblog Green

This week's Greenlings topic came to us from another reader tip. Don asked why his fuel economy suffers so much in winter weather. In his own experience, mileage drops about 10 percent when the temperatures go from the 60-70 F range to near freezing. This is consistent with our own experience ...

How do I plug my electric vehicle in at home? 3 months ago on Autoblog Green

As electric vehicles begin to find their way to peoples driveways and garages, knowing what's involved with charging up the batteries becomes more necessary. Over the years, electric vehicles (EVs) have used different kinds of batteries and employed different types of chargers and connectors, so ...

How does weight affect a vehicle's efficiency? 3 months ago on Autoblog Green

Over the last few decades, the average weight of a vehicle sold in the U.S. climbed steadily after we got over the oil embargoes of the 1970s. Today, though, auto companies are putting a lot of effort into reducing weight – Lotus set up an entire lightweight structures division, BMW is ...

Why can't Americans have good, small diesels? 3 months ago on Autoblog Green

The question is often asked, "Why is it that drivers in Europe can get all of these amazing high-mileage cars that get 50, 60 or even 70 mpg but we have to celebrate when we get half of that?" There are plenty of reasons, but one of the main ones is the remarkable compression ignition engine, ...

What is CAFE? 4 months ago on Autoblog Green

It was big news when the Obama Administration updated CAFE requirements in May to a new and higher national MPG standard of 42 mpg for cars (26 mpg for light trucks) by 2016. The higher standards will start increasing with 2011 model year vehicles. But what is CAFE? And how do these new numbers ...



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