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Jeep Wrangler 4xe's hybrid powertrain: Could it be headed to other FCA products?

On its own, the 2021 Jeep Wrangler 4xe plug-in hybrid is a big deal for the brand and the model line. It's the most powerful and most efficient Wrangler by significant margins, and it doesn't give up the off-road capability that makes the Wrangler so special. But another great thing about this hybrid powertrain is its potential to be transplanted into other FCA vehicles. Just to recap, the layout of the Wrangler's hybrid powertrain, front to back, is as follows: engine, clutch, electric motor, clutch, transmission. The engine is the same 2.0-liter turbocharged four-cylinder that's a standalone engine for the Wrangler. The transmission and electric motor are sort of one unit, with the motor and clutch replacing the torque converter of the transmission. And the transmission itself is the ubiquitous eight-speed ZF automatic gearbox. Its transmission code name is 8HP75PH. The ZF eight-speed is available in every FCA product with a longitudinally-mounted engine and rear-wheel drive or four-wheel drive, with variations in the amount of power and torque it can handle. Not only that, but the Ram 1500 and 2500 and the Jeep Wrangler and Gladiator all have powertrains that utilize the non-hybrid version of the 8HP75 transmission specifically. Even the gear ratios for that transmission as well as the 8HP70 used in the Jeep Grand Cherokee, Dodge Durango, Dodge Charger and Chrysler 300 are nearly identical to those in the 8HP75PH. And a Fiat-Chrysler representative confirmed that the transmission portion of the hybrid drivetrain is basically carry-over from the regular 8HP75. So a transplant could be a relatively simple process. As for which of these models would be the most likely to receive the hybrid powertrain first, the Jeep Gladiator and Ram 1500 would seem like good bets, since they likely have the most similar transmissions, and the Gladiator in particular because of its closely-related underpinnings to the Wrangler. Both are also highly profitable trucks that sell well and could justify the development costs of adapting another powertrain. And in the case of the Ram, there's the impending F-150 hybrid to think about. Although Ram isn't going after a fully electric model, a PHEV could be a nice middle ground. A potential limiting factor would be whether the hybrid powertrain would be sufficiently robust to handle heavy payload and towing demands, particularly over longer periods.

Weekly Recap: Toyota propels hydrogen fuel cells

Toyota is serious about hydrogen fuel cells, and it wants the auto industry to follow suit. The Japanese automaker said this week it's releasing 5,680 fuel cell patents from around the world, including technologies used on its upcoming sedan, the 2016 Mirai. The move is unusual, but not unprecedented, as Tesla similarly released its electric vehicle patents last year. The idea for Tesla, and now for Toyota, is to spur development of alternative propulsion. "By eliminating traditional corporate boundaries, we can speed the development of new technologies and move into the future of mobility more quickly, effectively and economically," said Bob Carter, Toyota Motor Sales senior vice president of automotive operations, in a statement. Toyota's fuel cell patents will be free to use through 2020, though patents related to producing and selling hydrogen will remain open forever. Toyota said it would like companies that use its patents to share their own hydrogen patents, but won't require it. "What Toyota's doing is really a logical move, and really a good move for the industry," Devin Lindsay, principal powertrain analyst with IHS Automotive, told Autoblog. The announcement was made at the Consumer Electronics Show in Las Vegas. It comes as Toyota prepares to launch the hydrogen-powered Mirai in a limited number late this year in California. The launch will be extended to the Northeastern United States next year. Toyota also has announced plans to support networks of fueling stations in each region to try to smooth consumer adoption. The Mirai has a 300-mile range on a tank of hydrogen, and it takes about five minutes to refill. Fuel cells have been receiving increased attention recently, and Audi and Volkswagen debuted hydrogen-powered cars at the 2014 Los Angeles Auto Show. Honda, another proponent of the technology, also showed its updated FCV concept in November in Japan. The company, however, has delayed its fuel cell sedan a year until 2016. Like Toyota, Honda says its hydrogen-powered car will have a range of 300 miles or more. Meanwhile, Hyundai currently offers leases for fuel-cell powered Tucsons, which have a 265-mile range, in Southern California. Despite the optimism some automakers have for fuel cells, the technology still faces barriers. A lack of filling stations has long held it back, and many consumers are not familiar with the potential benefits.

Junkyard Gem: 1991 Dodge Stealth R/T

Chrysler's relationship with Mitsubishi goes back to the early 1970s, when the first Mitsubishi Colt Galants arrived from Japan with Dodge Colt badging. Plenty of Mitsubishi-built Arrows and Ram 50s and Challengers followed, and the joint Chrysler-Mitsubishi plant in Illinois began building cars in 1988. By the 1990s, you could find Mitsubishi DNA throughout the American Chrysler family, and the Mitsubishi GTO was brought over to become the Dodge Stealth starting in 1991. Here's one of those first-year Stealths, now residing in a Colorado self-service boneyard. Four grades of Stealth were available here in 1991, with the R/T Turbo AWD at the very pinnacle. This car, a regular R/T, is one step down from that model but still a pretty quick machine for its time. MSRP was $25,155, or about $55,370 in 2022 dollars. The R/T got this naturally-aspirated DOHC 6G72 engine, displacing 3.0 liters and making 222 horsepower. If you got the turbocharged version in the R/T Turbo AWD (or the Mitsubishi 3000GT VR-4), power went up to 300 horses. The 3000GT (as the GTO was known here) was mechanically identical to this car but had slightly different styling. The GTO/3000GT/Stealth replaced the Mitsubishi Starion and its Chrysler/Dodge Conquest siblings, which were sold here from the 1983 through 1989 model years. The Starion was a rear-wheel-drive machine that competed for sales against the Toyota Supra and Nissan Z, while the Mitsubishi GTO was available with either front- or all-wheel-drive. As illustrated by this photo of the rear suspension, this car is a front-wheel-drive version. Americans loved automatic transmissions 30 years ago, nearly as much as we love them today, but this car has a proper five-on-the-floor manual. If you wanted the optional four-speed automatic, it cost 813 bucks ($1,790 today). The Stealth R/T AWD had a mandatory five-speed manual transmission. This car has been hit hard by junkyard shoppers and the ravages of time, but it was fairly luxurious when new. Air conditioning was standard equipment on the R/T, though not on the lesser Stealths. This car came close to 150,000 total miles, but fell a bit short of that milestone. The final year for the Dodge Stealth was 1996, though the Mitsubishi 3000GT remained available here through 1999. The Mitsubishi GTO held on through 2000 in its homeland. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Outhandles the Lotus Esprit!