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Rebel Ram TRX prototypes spied on video playing in Michigan dunes

A group of Ram Rebel TRX prototypes has been caught on video testing in Michigan's Silver Lake Sand Dunes. This marks a change of scenery from our last prototype views, which took place on city streets in Detroit and in Arizona. Jordan Denhoed caught the video from a camera mounted on his truck, following the prototypes through the hills. The type of terrain and the presence of a Ford F-150 Raptor reinforce the idea that no matter what else the production Rebel TRX can do, it wants to compete with the Raptor on the Raptor's home field. Denhoed was able to get close enough once to hear the sound of the supercharger working in the 6.2-liter Hellcat V8. Unlike the Rebel TRX concept that was billed with 525 horsepower, the expectation now is that the production version will work up the Hellcat's typical 707 horsepower and shift through a 10-speed automatic. The power figure might have something to do with the staggered wheel lug pattern on the most recent prototypes — six lugs in front, eight lugs in back. The Rebel TRX proto caught in Arizona in August last year used the six-lug pattern all around. Other engine details are fuzzy. Motor1 credits an "insider source" with info that Ram has 40 test mules running, 10 of them in white, 30 of them in black, and one of those testers supposedly has an 840-hp Dodge Demon engine under the hood. The same source said the production version won't use the dial shifter, but a traditional shifter on the center tunnel. At the opposite pole concerning engines, Mopar Insiders reports that the less powerful, less expensive Rebel TR version, using a 7.0-liter V8 with roughly 520 hp, has either been canceled or delayed so Ram can devote resources to the Rebel TRX. The crew-cabbed prototypes in the video all wear the blacked-out treatment and Laramie Black front ends, fender flares over beadlock-looking wheels, and twin pipes. It's hard to tell how much lift comes with the remote-reservoir Bilstein shocks since the wheel arches have been cut out to make more room, but the concept had 13 inches of travel. It's rumored that ARB locking diffs will come on each axle. Having been promised for showrooms by 2022, it's likely we have a couple of years to wait we see the Rebel TRX's final form. We should get our first look at the F-150 Raptor fitted with the Mustang Shelby GT500's Predator V8 around the same time.

Ram Multifunction Tailgate swings into the pickup truck tailgate fray

Let the tailgate wars escalate, says Ram. Today, the Ram 1500 responds to GMC's Multi-Pro tailgate with its own fancy way to get stuff in and out of the bed. Named the "Multifunction Tailgate," (very creative, we know) Ram decided to give the tailgate a 60/40 split. Before we get into functionality, just take a peek at how it looks closed. On the red Ram Rebel chosen to show it off, you're greeted with a sizable black line running down the entire height of the tailgate in an odd spot. The off-center nature of the split makes for a strange look no matter the angle. We have a feeling that a black truck would solve any kind of visual weirdness going on here. On to the important part: How does it work? For starters, you can use it just like a normal truck tailgate. Drop it down with a release button on the handle, or use the remote release. Ram says it doesn't give up anything in capability or toughness in this down position — it has a 2,000-pound load rating. What makes this tailgate unique is its swinging functionality, though. The tailgate is capable of swinging both sides open like doors. Think Honda Ridgeline, but there are two elements to swing out instead of just one. This allows for closer access to the truck bed. The benefits are obvious: easier loading and unloading, easier washout, and you can even use a forklift to load it up now, too. Both of the barn doors swing out to 88 degrees. It's possible to have just the right or just the left door open, or both at once. Ram Multifunction Tailgate View 10 Photos Ford started this tailgate war with its now simple-looking bed step, but now it finds itself the most back-to-basics offering in the group. GMC officially has the most complicated piece of tech with the various foldouts and all-out size, but Ram is somewhere in the middle with this one. We were fans of the swing-out tailgate on our long-term Honda Ridgeline, so let's hope this one proves just as useful. Ram will be at the Chicago Auto Show with this tailgate, so we'll be sure to give it a thorough shakedown on the show floor. Any 2019 Ram 1500 can be equipped with the tailgate as an option for $995. The center step can be tacked on separately for $295. We're told to expect Rams equipped thusly to roll into dealerships during the second quarter of 2019. Related video:

Stellantis aims to eliminate separate inverter, charger to improve EV efficiency

Stellantis has announced that, in collaboration with French battery company Saft and French National Center for Scientific Research, has made significant progress in eliminating two major components of an electric vehicle powertrain: the on-board charger and the power inverter for the motor. The company claims that doing this will allow for better space use in vehicles, as well as improvements in efficiency, cost and reliability of components. As a quick primer, also explained in the below video, the on-board charger and power inverter are sort of translators to get the right current to different parts of the electric powertrain. The on-board charger takes AC power from the grid and converts it to DC to charge the batteries. Then when power goes from the batteries to the electric motor, the power inverter converts that DC power back to AC. These components aren't exactly small. Frequently you'll find them packaged somewhere under the hood. What Stellantis and its cohorts have developed, and have been using on a test vehicle since last summer, are small power inverter boards that can be mounted very closely to the battery packs. They can handle both conversion needs, for charging and discharging, instead of needing two separate devices. The most obvious perk to this is that you can do away with those traditional components and free up more space, either for making smaller vehicles without losing interior volume, or adding space to a vehicle that wouldn't have had it otherwise. There's the additional benefit of reduced weight, something that EVs struggle with. Stellantis also claims improvements in efficiency, reliability, and cost, however, it didn't go into detail as to how this setup would do that exactly. We'll try to get in touch with representatives from Stellantis in order to get more information. We're still a ways out from seeing this technology in production Stellantis vehicles. The company said it aims to apply it to vehicles by the end of the decade. Saft is also looking at using it on stationary battery systems as well. So maybe we'll see it on a 2029 Ram 1500 REV, but for now, we'll be living with traditional chargers and inverters. Related Video: Green Alfa Romeo Chrysler Dodge Fiat RAM Technology Electric