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Nissan Titan Truckumentary looks back through the brand's trucks [w/video]

In a prologue last month, Nissan promised us more of its Titan Truckumentary in December, and here it is. This is a set-the-stage episode, surveying the brand's truck history in the US from the 1960 Datsun 1200, one of the first vehicles it sold here, to the first truck it manufactured here in 1983 in Smyrna, TN, to the nineties Hardbody and the 1999 SUT Concept, among others. Pickup-truck-lifer Brent Hagan, the product planner for the next-generation Titan - designed and engineered in the US - is our tour guide for this episode. If anything, after watching this video all we could think was, "Nissan, please bring back the good old days."

Question of the Day: Most heinous act of badge engineering?

Badge engineering, in which one company slaps its emblems on another company's product and sells it, has a long history in the automotive industry. When Sears wanted to sell cars, a deal was made with Kaiser-Frazer and the Sears Allstate was born. Iranians wanted new cars in the 1960s, and the Rootes Group was happy to offer Hillman Hunters for sale as Iran Khodro Paykans. Sometimes, though, certain badge-engineered vehicles made sense only in the 26th hour of negotiations between companies. The Suzuki Equator, say, which was a puzzling rebadge job of the Nissan Frontier. How did that happen? My personal favorite what-the-heck-were-they-thinking example of badge engineering is the 1971-1973 Plymouth Cricket. Chrysler Europe, through its ownership of the Rootes Group, was able to ship over Hillman Avanger subcompacts for sale in the US market. This would have made sense... if Chrysler hadn't already been selling rebadged Mitsubishi Colt Galants (as Dodge Colts) and Simca 1100s as (Simca 1204s) in its American showrooms. Few bought the Cricket, despite its cheery ad campaign. So, what's the badge-engineered car you find most confounding? Chrysler Dodge Automakers Mitsubishi Nissan Suzuki Automotive History question of the day badge engineering question

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.