Enlarge / The introduction of model year 2025 brings a retractable hard-top option for the McLaren Artura, plus a host of other upgrades. (credit: McLaren)

MONACO—The idea of an "entry-level" supercar might sound like a contradiction in terms, but every car company's range has to start somewhere, and in McLaren's case, that's the Artura. When Ars first tested this mid-engined plug-in hybrid in 2022, It was only available as a coupe. But for those who prefer things al fresco, the British automaker has now given you that option with the addition of the Artura Spider.

The Artura represented a step forward for McLaren. There's a brand-new carbon fiber chassis tub, an advanced electronic architecture (with a handful of domain controllers that replace the dozens of individual ECUs you might find in some of its other models), and a highly capable hybrid powertrain that combines a twin-turbo V6 gasoline engine with an axial flux electric motor.

More power, faster shifts

For model year 2025 and the launch of the $273,800 Spider version, the engineering team at McLaren have given it a spruce-up, despite only being a couple of years old. Overall power output has increased by 19 hp (14 kW) thanks to new engine maps for the V6, which now has a bit more surge from 4,000 rpm all the way to the 8,500 rpm redline. Our test car was fitted with the new sports exhaust, which isn't obnoxiously loud. It makes some interesting noises as you lift the throttle in the middle of the rev range, but like most turbo engines, it's not particularly mellifluous.

Enlarge / Looking more like a refrigerator than ever before. (credit: Microsoft)

A new version of Microsoft's top-end Xbox Series X will launch without a disc drive for the first time this holiday season.

The new "Digital Edition" console option—which sports 1TB of storage and an Xbox Series S-like "Robot White" color scheme—will be available "in select markets" for an estimated retail price of $449 (or 500 euros). That price is just $50 less than the MSRP for the current, disc-drive-equipped Xbox Series X, which is currently on sale for $449 from the Microsoft Store.

Word of Microsoft's plans for a disc-drive-free Xbox Series X first leaked last September as part of the Federal Trade Commission's case against the Microsoft/Activision merger. But the new disc-free Series X bears little resemblance to the cylindrical "Brooklin" refresh shown in those leaked promo materials, which also touted redesigned internals and improved power usage. Microsoft Gaming CEO Phil Spencer said at the time that "so much has changed" from the "old emails and documents" in those leaks.

Enlarge / Polestar's first electric SUV is the new Polestar 3, and it's rather great to drive. (credit: Jonathan Gitlin)

MADRID, Spain—2024 is a big year for Polestar. It was spun out of Volvo in 2017 as a standalone performance electric brand, and in 2019, we tried its first car, a low-volume plug-in hybrid GT that wowed us but only ever amounted to 1,500 cars. Next came the Polestar 2, a compact four-door sedan that was one of the first cars to deeply integrate Google's automotive services. But now it's time for the cars most of Polestar's potential customers have been waiting for—SUVs. And it's starting with the $73,400 Polestar 3.

Although Volvo has sold its shares in Polestar (leaving its parent company Geely as Polestar's sole corporate parent), the two companies will continue to share technology and platforms. The Polestar 3 is built on the group's SPA2 architecture, which is also being used by the forthcoming Volvo EX90; indeed, both are going into production at Volvo's factory in South Carolina this year.

As a measure of how far the company has come in a relatively short time, the Polestar 3 generates less carbon emissions during production than the smaller, cheaper Polestar 2 when it was introduced in 2020.

Enlarge / The Clip attached to a late-'90s vintage mountain bike. (credit: Eric Bangeman)

Shortly after World War II, a French manufacturer by the name of Solex started selling mopeds. These were not your "typical" moped that looks kind of like a motorcycle with pedals—the mopeds made by Solex were essentially bicycles with a small two-stroke engine mounted over the front wheel that could propel the rider around 100 km on a single liter of gas mixture. The downside: Solex mopeds were loud and cumbersome to ride due to the weight distribution, and they never really caught on in North America.

Clip, a startup based in Brooklyn, New York, has come up with its own twist on the Solex. Its only product, the eponymously named Clip, is a friction drive unit that attaches to the front fork of any bicycle, turning it into an e-bike. At $499 for the Commuter model and $599 for the Explorer, it is a relatively inexpensive way to turn just about any bicycle into an e-bike for a fraction of the cost of a new one.

The Clip mounts to the front fork just below the brake caliper. (credit: Eric Bangeman)

Weighing in at 8.8 lb (4 kg) for the Commuter model (the Explorer is a pound heavier), the Clip is at its essence a portable friction-drive. A detachable controller mounts on the handlebar and the unit itself. The Explorer model, the one we reviewed, has a 192 Wh battery that takes an hour to fully charge. Its range is pegged at "up to 12 miles," a claim that is pretty accurate based on our testing, and the top speed is 15 mph. The Commuter model offers half the battery capacity, charge time, and range.

Enlarge / The Mustang Mach-E Rally is the latest version of Ford's electric crossover. It features plenty of power and a new drive mode, as well as plenty of rally-inspired accoutrements. (credit: Tim Stevens)

Mildly off-road-ready performance variants are extremely trendy right now, and it's easy to turn your nose up at them. But when cars like the 911 Dakar or Huracan Sterrato actually improve the day-to-day drivability and comfort of the road-focused machines upon which they're lifted, you have to respect them.

Me? I'm a die-hard rally fan and someone who'd rather drive sideways than straight. It's no surprise that I love these special editions, from their top-boxes down to their all-terrain tires. But I also love electric vehicles, and while there are plenty of electrified crossovers and SUVs out there, it's slim pickings if you want something rally-ready.

Today, that changes.

Enlarge / After building almost 100,000 W12-powered Bentley Continental GTs, the brand is moving to a plug-in powertrain. (credit: Jonathan Gitlin)

BARCELONA—The days of big engines are numbered, even for big spenders. Owning a GT that lets you drive across Europe in a day in cosseted luxury means very little if you're not allowed to drive it into the city you're meant to be visiting, after all. Low emissions zones are either a fact of life or on the way in many of the more desirable urban postcodes, and even here in the US, we're about to start getting quite tough on fuel efficiency. Which is why Bentley is saying goodbye to its W12-powered Continental GT Speed and replacing it with a new plug-in hybrid instead.

The W12 engine has become something of a trademark for Bentley in the 21st century. For many years, Bentleys were essentially just badge-engineered Rolls-Royces, while both companies were owned by the aircraft maker Vickers. But VW group took control of Bentley in 1998—BMW got Rolls-Royce—and it was time for something fresh.

Originally developed within parent company Volkswagen Group for use in the all-aluminum Audi A8, the W12 design essentially mated a pair of narrow-angle V6 engines as used in the Golf VR6 to create a compact and powerful multi-cylinder engine for those customers looking for a powertrain a bit less common than a V8.

Enlarge / Chevrolet is starting at the top with the Silverado EV RST First Edition. It's betting that EV truck buyers want a lot of range and towing capability and will pay handsomely for the experience. (credit: Michael Teo Van Runkle)

The latest addition to Chevrolet's growing family of Ultium electric vehicles recently began shipping to dealers in the form of the Silverado EV's early RST First Edition package. Silverado's top spec level now joins the lineup's previous fleet-only WT trim, meaning the general public can now purchase an enormous electric pickup that strongly resembles the Avalanche of 2001 to 2013. But despite any other similarities to the Hummer EV, which shares a related chassis, or ICE trucks of old, the 2024 Silverado aims to change the game for GM's market positioning despite arriving a full 24 months after Ford's F-150 Lightning.

With a large crew cab, a longer truck bed, and angular sail panels, the Silverado EV looks less boxy than GMC's Hummer EV. Aero gains thanks to the smoother design pair with lower rolling-resistance tires, allowing the Silverado to achieve an EPA range estimate of up to 450 miles (724 km), though the RST First Edition I recently drove over the course of a long day in Michigan earns a rating of 440 miles (708 km).

On the highway, judging by wind noise around the cabin alone, the aerodynamic gains of the Silverado's styling seem to make a noticeable difference versus the Hummer. On the other hand, tire hum might cover up any aero deficiencies because the RST's single weirdest detail constantly occupies center stage here: a set of 24-inch wheels, the largest ever equipped to a car, truck, or SUV straight from the factory.

Enlarge / The Enterprise, caught in the wake of a temporal vortex, witnesses the Earth, assimilated long ago, in the altered timeline. (credit: Paramount Pictures)

A team of physicists has discovered that it’s possible to build a real, actual, physical warp drive and not break any known rules of physics. One caveat: the vessel doing the warping can’t exceed the speed of light, so you’re not going to get anywhere interesting any time soon. But this research still represents an important advance in our understanding of gravity.

Moving without motion

Einstein’s general theory of relativity is a toolkit for solving problems involving gravity that connects mass and energy with deformations in spacetime. In turn, those spacetime deformations instruct the mass and energy how to move. In almost all cases, physicists use the equations of relativity to figure out how a particular combination of objects will move. They have some physical scenario, like a planet orbiting a star or two black holes colliding, and they ask how those objects deform spacetime and what the subsequent evolution of the system should be.

But it’s also possible to run Einstein’s math in reverse by imagining some desired motion and asking what kind of spacetime deformation can make it possible. This is how the Mexican physicist Miguel Alcubierre discovered the physical basis for a warp drive—long a staple of the Star Trek franchise.