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Nissan withdraws from two races to focus on Le Mans

Nissan is making a huge bet and putting all of its chips on the 24 Hours of Le Mans for the race debut of the GT-R LM Nismo. The team will now skip the World Endurance Championship test at Paul Ricard in France later this month and also won't compete at the first two races of the season at Silverstone and Spa-Francorchamps. The team made the announcement through two tweets (embedded below). "Our main aim for this year was always Le Mans and we have decided to re-focus on that race," Darren Cox, Nissan Motorsport boss, said to Autosport. In the meantime, the company will keep testing the car in the US right up until the big race. The driver lineup and a GT-R Nismo for display will make an appearance at the season-opening round at Silverstone on April 12, though, according to Autosport. This isn't the first setback for the team. The GT-R LM suffered a failure of a "very minor" part during testing in early March at Sebring, and the team didn't have a spare with it. The car had run 68 laps over the preceding two days. The GT-R LM uses a powertrain unlike any other vehicle in its class. A twin-turbocharged V6 has front-mid-engine placement, and it's combined with electric motors making over 700 horsepower. In total, the system generates a claimed output of over 1,250 horsepower. With no competitive racing under its belt before Le Mans, the Nissan is definitely going to be a car to watch in the big event this year. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Related Video:

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 New York Auto Show, and Subaru Solterra driven | Autoblog Podcast #725

In this episode of the Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder. This week was the return of the New York Auto Show, and it was a busy one. Our editors run down some of the reveals, including the updated Kia Telluride and Hyundai Palisade, the long-wheelbase Jeep Wagoneer and Grand Wagoneer L, refreshed Subaru Outback, the gorgeous Genesis X Speedium Coupe concept EV, the 2,200-horsepower Deus Vayanne electric hypercar, a new generation of the Kia Niro family, and the updated Nissan Leaf and Nissan Pathfinder Rock Creek. Then they discuss the news surrounding Elon Musk's offer to purchase Twitter before diving into reviews of the cars we've been driving, including the new Subaru Solterra, Subaru Forester Wilderness and our long-term BMW 330e xDrive and Hyundai Palisade. Send us your questions for the Mailbag and Spend My Money at: Podcast@Autoblog.com. Autoblog Podcast #725 Get The Podcast Apple Podcasts – Subscribe to the Autoblog Podcast in iTunes Spotify – Subscribe to the Autoblog Podcast on Spotify RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown 2022 New York International Auto Show 2023 Kia Telluride revealed at NY Auto Show, adds X-Pro trim 2023 Hyundai Palisade revealed with new styling, features, trim level 2023 Jeep Wagoneer, Grand Wagoneer gain L models, Hurricane I6 power 2023 Subaru Outback gets new cladding and lights, more tech Genesis X Speedium Coupe is an electric shooting brake Deus Vayanne EV hypercar reaches for 2,200 horsepower 2023 Kia Niro Hybrid, PHEV and EV debut 2023 Nissan Leaf debuts a mild refresh 2023 Nissan Pathfinder Rock Creek gets a lift and more power Elon Musk offers to buy Twitter for $43 billion Cars we're driving 2023 Subaru Solterra 2022 Subaru Forester Wilderness Long-term 2022 BMW 330e xDrive Long-term 2021 Hyundai Palisade Feedback Email – Podcast@Autoblog.com Review the show on Apple Podcasts Autoblog is now live on your smart speakers and voice assistants with the audio Autoblog Daily Digest. Say “Hey Google, play the news from Autoblog” or "Alexa, open Autoblog" to get your favorite car website in audio form every day. A narrator will take you through the biggest stories or break down one of our comprehensive test drives. Related video: