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Nissan's Dacia Duster-based Terrano revealed

The new Nissan Terrano has appeared in production form after an apparent August 20 launch in India, but the small sport utility vehicle remains sadly aloof from the US market. We've had our eyes on the Terrano ever since we learned it would be produced as an upscale alternative to the Dacia Duster on which it's based, but currently Nissan has no plans to import it here. Blame safety and perhaps emissions laws - the Duster was never designed for our market.
Even with these less-than-high resolution images, it's clear that the beyond the obvious badges, Nissan's signature trapezoidal grille and a slightly altered rear end with new taillights are the biggest visual clues that this is the Terrano, but those with astute eyes will also notice a slightly redesigned hood and blacked-out door pillars instead of the Duster's body-colored items. Either way, it looks to be a handsome, low-cost little brute - the sort of simple and rugged SUV that's hard to come by in today's marketplace.

NHTSA probing whether to call Nissan to the carpet over Versa unintended acceleration

The Nissan Versa and Versa Note may have a carpeting problem that could make the little cars risky to drive. The National Highway Traffic Safety Administration is launching a preliminary evaluation into the 2012-2014 model year versions of the Versa, Versa Sedan and Versa Note, affecting an estimated 360,000 vehicle. In these vehicles, it's possible that the driver's foot could be caught where the carpet meets a trim panel near the accelerator. The regulator has four reported instances of the issue, but it's still collecting data from Nissan about any further cases.
According to the complaints, the tunnel carpet cover trim panel can possibly snag the drivers' right shoe where it meets the carpet, and can either keep their foot on the accelerator or prevent moving it to the brake pedal. In one case, the problem was bad enough that the driver had to free his foot using his hand, while driving. In two of the four reported cases, the vehicles were rental cars.
This is actually the second ongoing preliminary evaluation for some of these models. In late May, NHTSA started looking into the 2013-2014 Versa and 2014 Versa Note for long brake pedal travel.

Basic Continuously Variable Transmission explained with Legos

In recent years, the search for better fuel efficiency and smoother shifting has produced automatic transmissions with double-digit gears. Alternatively, the same quest has boosted the popularity and usage of a different type of automatic transmission without any fixed gears, the continuously variable transmission, or CVT. YouTuber Sariel's Lego Workshop recently took the time to build a CVT demonstration model out of Legos to help explain how they work. Sariel begins by showing the model's input and output shafts that are parallel to each other. Each shaft has a cone attached to it, and they are inversely placed so that the large part of one cone is next to the small part of the other cone. The two cones are connected using a rounded rubber band.  By shifting the rubber band up and down the cones, the machine changes the effective ratio between the cones. So, a 1:4 ratio can be smoothly transitioned to 4:1. No clutch is required to operate the mechanism, and it eliminates hitches or pauses between gear changes. CVTs are also advantageous over 9- or 10-speed automatics in that they are far less complex and weigh less.  To demonstrate how the CVT operates in a vehicle, Sariel used a joke about Top Gear. The original Top Gear is represented by a faster-moving car that has the rubber band around the large part of the cone on the input shaft. Top Gear without former hosts Richard Hammond, Jeremy Clarkson, and James May is represented by a slow-moving car with the rubber band around the large part of the cone on the output shaft.  For an even more detailed explanation of how CVTs work — albeit one that doesn't involve toys — you can click here. Technology Toys/Games Nissan Subaru