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Next-gen Chevy Silverado and GMC Sierra may use carbon fiber

It's been generally accepted that the next generation of full-size GM trucks will use some sort of strong, lightweight material for the beds while retaining steel for the cab. While aluminum seems like the most obvious choice, according to Automotive News, the Chevy Silverado and GMC Sierra will incorporate both aluminum and carbon fiber in their beds. The publication cites sources from within GM, though it seems the introduction of this comparatively exotic material mix is still a few years off. While carbon fiber is both stronger and lighter than steel and aluminum, it takes significantly more time and money to produce, essentially relegating the material to small-volume cars. The main benefit for trucks is the resulting reduction in weight to improve fuel economy without sacrificing the tough, rugged capabilities truck buyers expect. The Ford F-150 made the switch to aluminum for the 2015 model year and it's proved highly successful. It seemed like it was only a matter of time before the competition followed suit. Automotive News says that the next-gen trucks will launch with aluminum beds and that it will take a couple of years before we'll see any carbon fiber incorporated into the design. Even then, only look for the composite material on higher-trim models, with a trickle down to lower-spec trucks possible further in the future. In 2011, GM announced it was working with Japan-based Teijin Limited on a carbon fiber reinforced thermoplastic. There's a good chance that material's introduction will be on trucks. Related Video: News Source: Automotive News Plants/Manufacturing Rumormill Chevrolet GM GMC Truck

Top 11 Lego Technic cars to buy on Amazon in 2024

Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. I recently got a birthday wish list from my 11-year-old nephew, and I couldn't help but smile when I saw “Lego Technic Cars” at the top. Lego isnÂ’t a phase, itÂ’s a lifestyle. Once a Lego fan, always a Lego fan. In fact, IÂ’d be willing to bet that many of you reading this right now have some kind of Lego vehicle in a box somewhere, or better yet, on display in your home. While theyÂ’re not necessarily cheap, getting into building Lego Technic vehicles doesnÂ’t have to bankrupt you, either, unless you go for the $400 Lamborghini right off the bat. Here are 11 of our favorite Lego Technic vehicles on Amazon, right now, ranging from an affordable $35 all the way up to $450. LEGO Technic Ford Mustang Shelby GT500 Ages 9+ (544 Pieces) - $39.99 (20% off) One of my first and favorite model cars growing up was a first-gen Ford Mustang GT350, so this GT500 for under $40 is right up my alley. At 544 pieces and made for ages 9 and up, the GT500 is a considerable step up from Grave Digger but a great starter to a Technic collection nonetheless. It isnÂ’t the most accurate-looking vehicle in this list, but the AR app and the fact that it can drive make it a worthwhile purchase. $39.99 at Amazon LEGO Technic Formula E Porsche 99X Electric Ages 9+ (422 Pieces) - $49.99 Not a Ford fan? Not a problem. This Formula E Porsche 99X is the same price and better looking than the GT500. Even though there are 122 fewer pieces in this Porsche set, it has a level of detail seen in much more expensive Technic sets including numerous decals and a pull back motor.  $49.99 at Amazon LEGO Technic Jeep Wrangler Ages 9+ (665 Pieces) - $54.99 This is the set I ended up going with for my nephew, not because I think it is the coolest, but because for the price, I think you get the most bang for your buck. 665 pieces is over 50% more than the comparatively priced Porsche 99X and it also scratches the nostalgia itch for me: The first-ever model vehicle I built was a yellow Jeep Wrangler Sahara. This Wrangler Rubicon has definitely had some aftermarket mods like the front winch, which makes it one of the coolest Technic sets under $60.  $54.99 at Amazon LEGO Technic Monster Jam Grave Digger Ages 7+ (212 Pieces) - $34.16 If ever there was a gateway Lego Technic, this Grave Digger is it.

GM faces possible class action lawsuit over 8-speed transmission

General Motors has been hit with a class-action lawsuit from owners who allege the eight-speed automatic transmission found in several rear-wheel-drive Chevrolet, Cadillac and GMC models between the 2015 and 2019 model years has a defect that causes the vehicles to hesitate and jerk when accelerating or slowing down. The lawsuit was posted to ClassAction.org and spotted by GM Authority. Problems with GM's Hydra-Matic 8L90 and 8L45 transmissions have been well-documented on Internet forums and via complaints filed with the National Highway Traffic Safety Administration, with many reporting damage to their vehicles. The lawsuit was first filed in December in U.S. District Court for the Southern District of Florida but appears to have been transferred recently to New York. Autoblog sought comment from Theodore Leopold, the lead attorney for the plaintiffs. "These transmissions have a common defect," the complaint reads. "Drivers attempting to accelerate or decelerate their cars feel a hesitation, followed by a significant shake, shudder, jerk, clunk, or 'hard shift' when the vehicle's automatic transmission changes gears." The problem also occurs when the vehicles accelerate in a single gear, without shifting, the plaintiffs allege. "Drivers have reported that the shift is sometimes so violent, they feel as though they have been hit by another vehicle." The problem is believed to center on the transmission, torque converter or both. The complaint says it causes undue friction, causing hydraulic systems and gears to function improperly and sometimes leaves metal shavings throughout the transmission, leading to costly repairs and replacement of parts or the entire transmission. It says GM has known about the problems since shortly after it introduced the transmissions, and has issued 13 technical service bulletins, none of which have resolved the problem. GM declined to comment on the lawsuit. The plaintiffs say GM should have warned consumers about the issues and covered repairs under each vehicle's three-year/36,000-mile bumper-to-bumper warranty. They're seeking statewide classes in at least six states: California, Florida, Illinois, New York, Oklahoma and Texas.