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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.

2022 Villa d'Este Concours d'Elegance Mega Gallery | The show in pictures

COMO, Italy — Held annually, the Villa d'Este Concours d'Elegance is, in many ways, Europe's version of the Pebble Beach Concours d'Elegance. It takes place in a beautiful location, and it brings together an impressive selection of rare and valuable cars. It's a real treat for the eyes, the ears, and, if you're into champagne, the palate. The 2022 edition of the show was no exception: About 50 cars were shipped to Lake Como from over a dozen countries, and it wasn't just the usual suspects. Sure, there were a lot of pre-war cars (including a couple of one-off models), but some of the icons that younger enthusiasts grew up with (like the Lamborghini Countach) were present as well. This year's event was split into eight categories: The Art Deco Era of Motor Car Design, The Supercharged Mercedes-Benz, How Grand Entrances Were Once Made, Eight Decades of Ferrari Represented in Eight Icons, "Win on Sunday, Sell on Monday," BMW's M Cars and Their Ancestors, Pioneers That Chased the Magic 300 KPH, And a design award for concept and prototypes. The jury gave the coveted "best of show" award to a 1937 Bugatti 57 S owned by Andrew Picker of Monaco, while the aforementioned classes were won by, respectively: The Bugatti 57 S, shown below, A 1936 Mercedes-Benz 540K Cabriolet, A 1956 Chrysler Boano Coupe Speciale, A 1966 Ferrari 356 P Berlinetta Speciale Tre Posti, A 1961 Porsche 356 B Carrera Abarth GTL, A 1972 BMW 3.0 CSL, A 1989 Porsche 959 Sport, And the Bugatti Bolide concept unveiled in 2020. Winning at Villa d'Este is a big deal: The cars are judged by a panel of highly experienced judges. No one gave me a scoring sheet, presumably out of fear that I'd award points to the late-model Fiat 600 lurking in the parking lot, but several cars that didn't win an award caught my eye. One is a 1934 Bugatti Type 59 Sports, a grand-prix racer that was once owned by King Leopold III of Belgium and that has never been restored — its patina is inimitable. Another is a 1961 BMW 700 RS. One of two built (the other is in the BMW collection), it's a tiny, ultra-light roadster related to the 700 and powered by a 697-cubic-centimeter air-cooled flat-twin tuned to develop 70 horsepower. It won several hill-climb events during the 1960s, and it's one of the rarest cars ever to wear a BMW roundel. Aston Martin's freshly-restored 1979 Bulldog concept was cool to see as well; check out the cassette player integrated into the headliner!

Worker killed at Nissan Tennessee plant

A worker has died at the Nissan assembly plant in Smyrna, TN following an accident. According to The Detroit News, the tragedy happened Thursday and involved a large electric panel that fell while it was being moved. The victim was not a Nissan employee, he was a worker for Michigan-based supplier Complete Automation.
Nissan has not released the name of the deceased, but has vowed to cooperate with the authorities investigating the accident. The Murfreesboro Post notes that this is the second death at the plant in recent years - in 2012, a transport truck driver was killed after his rig rolled forward, crushing him between his cab and trailer.