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Why it's difficult to accurately test the efficiency of a plug-in car

When it comes to electric vehicles and plug-ins in general, the Environmental Protection Agency-certified range is a hugely important number. While actual range anxiety is largely psychological, the magic number does provide a point of comparison of buyers considering one EV over another. The driving distance is also often touted by automakers when marketing their models. Unfortunately, as Green Car Reports finds in a recent deep dive, the way the EPA calculates the figure is a convoluted mess, and discovering the reasons why is definitely worth the read. The issue isn't about bad science but instead comes down to vague wording. The EPA's accepted range test is sourced from an evaluation called J-1634 from the Society of Automotive Engineers, and it seems to provide balanced results for vehicles that automatically reach a single state of charge when plugged in. However for models with multiple charge settings, the situation gets complicated very quickly. Of course, these modes are often created in the software, meaning that a car's certified driving distance can change with just a few taps of the keyboard without the real world results owners might experience actually changing. By showing the test's effects on the certified range for the Tesla Model S, Nissan Leaf and Mercedes-Benz B-Class Electric Drive over the last few years, Green Car Reports makes a compelling argument that it's the evaluation that needs to change. Thankfully, it appears that the solution is a very simple one. Get the details here.

MotorWeek checks out two sides of the '90s Japanese car scene

MotorWeek's Retro Reviews let you feel nostalgic about a huge range of classic cars, and the latest two releases offer a look at two very different sides of the Japanese car market in the 1990s. The video above shows off tuned examples of the Mazda RX-7 and Nissan 300ZX. Check out the clip below to remember the 1997 Honda CR-V, if you want to reminisce about something a little more utilitarian. The RX-7 and 300ZX were among the era's best Japanese sports cars, and these examples' suspension and engine overhauls gave them an extra boost. Peter Farrel Supercars tunes the Mazda, and the vibrant yellow paint and body kit make it look ready for an episode of Initial D. The updated powertrain stands up to the mean styling and gets the RX-7 to 60 miles per hour in 4.5 seconds. The Stillen 300ZX GTZ sports a giant wing, and new turbos take the output to 465 hp. It sprints to 60 in 4.9 seconds. The CR-V sits on the opposite end of the automotive spectrum as the tuned RX-7 and 300ZX, but it's even more important in a historical sense. The Honda (along with the Toyota RAV4 and others) was among the progenitors of today's mega-popular compact crossovers. These early examples set the foundation for offering buyers a utilitarian vehicle in a comfortable package with good fuel economy at an affordable price. The CR-V had some quirky charm, too, like the removable picnic table hidden in the cargo floor. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Nissan Maxima was almost axed

The redesigned 2016 Nissan Maxima goes on sale in early June, but according to Automotive News, this eighth-generation model almost didn't see the light of day. That's the word from Pierre Loing, vice president of North American product planning. "A lot of people assume it was a forgone conclusion that, of course we will continue with another Maxima," Loing told Automotive News. "But frankly, the forgone conclusion at that moment was that there would not be another Maxima." When Loing joined Nissan in 2012, he was tasked with building a case for a new Maxima. The Japanese automaker was focused on making cost-efficient, global platforms, but the Maxima sold almost exclusively in North America. And not in high numbers, either. But Loing says Maxima is an important part of Nissan's history in the United States. The car was introduced in 1981, and Loing says Maxima perhaps has better name recognition than Nissan itself. The company is pleased with its 2016 Maxima. "When I look at this car, I'm proudest of the fact that it's here at all," Takeshi Yamaguchi, former Nissan North America VP of vehicle engineering, told Automotive News. "And on top of that, I'm proud of that fact that we took the Maxima beyond where it was, instead of taking it backward." Related Video: