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2015 Nissan Juke

I didn't always like the Nissan Juke. When it launched in 2010, I just couldn't get over the way it looked – it came across as super weird, and kind of hideous at first blush. But I slowly warmed up to the funky little crossover/hatchback/thing, and after spending some time behind the wheel, I really learned to love Nissan's small wonder. It's a genuine hoot to drive, offering hot hatch-like thrills in a package that doesn't look like anything else on the road. The Nismo and RS models that followed only increased my ardor for the turbocharged Juke, and now, I find myself smiling whenever I see one of these little guys bombing down the road. Going into 2015, Nissan hasn't really made major changes, but there are a host of smaller improvements on hand to make it a more well-rounded vehicle than ever before. And to up the funk factor for the new year, there are a slew of customization options now available to customers through the Juke Color Studio – for better or worse. Following my first drive of the third-generation Nissan Murano in Napa Valley, I took the refreshed Juke for a spin to see if the 2015 model year improvements still make for a car that's good to drive and easy to use, while bursting with the same personality that slowly won me over in the first place. Drive Notes Powering the Juke is the same turbocharged, 1.6-liter inline-four as last year, with 188 horsepower and 177 pound-feet of torque on tap. I've always liked this engine – it's punchy and feels good when being worked via the 2014 model's six-speed manual transmission. There's lots of power down low, with a nice bit of boost mid-range through each gear. Altering the drive modes between Normal and Sport heighten this, and honestly, the turbo/manual setup in this front-wheel-drive Juke was kind of hilarious – a real treat. Sadly, Nissan will no longer offer the manual transmission on non-Nismo Juke models for 2015, so you're stuck with the continuously variable transmission. Bummer. In sport mode, the usually good Xtronic CVT tends to rev high and hold itself there – a tendency of older such transmissions that's seriously off-putting, especially for enthusiasts. Still, the Juke is available with a choice of either front- or all-wheel drive. The FWD Juke is fun, offering decent amounts of grip with a hint of predictable understeer. But I've always liked the four-season factor of the AWD Juke.

Nissan's crowdsourced Project Titan is ready to tackle Alaska [w/videos]

Alaska still offers Americans the chance to really experience the wilderness, and Nissan is challenging its Titan pickup to its offroad extremes with a little help from its fans. After crowdsourcing a heap of mods, the company is handing it over to two Wounded Warrior Project Alumni to do their worst in the backcountry to see what the truck can do.
Nissan last experimented with the crowdsourcing idea on its Project 370Z in 2012 but might have taken things even further this time. For Project Titan, the automaker let fans vote on 10 different areas to customize on a 2014 Titan Crew Cab PRO-4X. To fit the rugged look, the company covered it up with a custom digital-camouflage wrap with a Wounded Warrior Project emblem and even outfitted its all-terrain camping trailer in a similar scheme. An LED lighting rig was also added to the new bull bar and roof rack to brighten the night. For a just little more grunt, the 5.6-liter V8 was outfitted with a Nismo cold-air intake and Borla cat-back exhaust, and to keep from getting stuck, the pickup got an upgraded suspension with more travel and 18-inch wheels with 35-inch Nitto offroad tires. The interior was also slightly revised with big GPS system and custom embroidered seats.
Now, it's time to see if the truck's mods can handle what the Alaskan wilderness can throw at it. The two Wounded Warrior Project Alumni are just starting their expedition and are expecting snow on the way. Scroll down to watch three build videos for the Titan and read Nissan's official announcement. You can also follow their journey on Nissan Trucks' Facebook page.

Infiniti's new VC-T changes the rules of small turbocharged engines

The upcoming Infiniti QX50 crossover does not get our pulse racing, no matter how shapely the QX Sport Inspiration concept that previews it may be. No midsize SUV does, to be fair. But it has something special under the hood – the world's first production variable-compression-ratio engine. That means the QX50's 2.0-liter turbo four, which makes 268 horsepower and 288 pound-feet of torque, will have up to 27 percent better fuel economy. Here's how it works. The trend of moving to smaller, turbocharged engines carries with it one big falsehood. Under low load when the turbo isn't needed, these engines are less efficient than an equivalent engine without a turbo because of the low compression ratio the turbo requires. That is, if you never need the extra power, you're wasting fuel. Turbocharged (and supercharged) engines use a lower compression ratio to prevent detonation. When you force extra air in a cylinder and mix it with fuel, it's more likely to prematurely go boom. Lowering the compression ratio prevents this problem, but it's less efficient. Infiniti's VC-T promises the best of both worlds, with a compression ratio that ranges from 8.0:1 for high-power turbo needs to a 14.0:1 ratio for fuel-sipping efficiency. At its heart the VC-T engine is a simple idea, but it's complicated to explain. Consider yourself warned. The photo below from Infiniti serves as a good visual overview. For the truly nerdy, this patent application covers the mechanical concept. Instead of having the pistons connected to the crankshaft, Infiniti's engine has a pivot arm with a connection on each end. One end connects to the piston, the other connects to a second lower shaft, which is controlled by an actuator arm. At any given time the engine's pistons move up and down according to the lobes on the crankshaft. But the actuator arm can change the angle of the pivot arm up and down. That is, the pistons still move in the same motion with the same stroke, but phase the entire stroke up or down. Move the pivot up and there's less room at the top, which means a higher compression ratio. Move the pivot down and the compression ratio goes down, too. As an added bonus, the lower shaft eliminates the need for counter-rotating balance shafts. Infiniti says this system works constantly and can vary the compression ratio to any number between 8:1 and 14:1. It also uses electronic variable valve timing on the intake valves to switch into Atkinson-cycle combustion for greater efficiency.