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Hypermiling a Ram 1500 EcoDiesel to 38.1 mpg

You never quite know what Wayne Gerdes has up his sleeve. The man who coined the term hypermiling is always looking for adventurous ways to prove that anyone – even you... yes, you – can eke out more miles per gallon just by changing the way you drive. Saying that is easy. Proving it by going on outlandish cross-country drives is hard. But for Gerdes and his team of fuel economy fiends over at CleanMPG, hard is half the fun. Our latest adventure appeared, at first glance, to be nearly impossible. Which is why we always answer the phone when Gerdes calls. He likes to take journalists along on his drives, not only to try teach us how to hypermile but also to prove that we can be taught. The first time I 'helped' him and his team was when we got over 30 miles per gallon in a 2011 Ford F-150 XLT with the EcoBoost 3.5-liter V6. The EPA rated that truck with at just 16 mpg in the city and 22 on the highway. So, we'll count that trip as a success. Next up was a cross-country drive last fall in a trio of Audi TDI vehicles to prove that you don't need to drive extra slow to beat the EPA numbers. In fact, we made it from Los Angeles to New York City in just over 46 hours, cramped but not cranky. We had once again proven that how you drive is hugely important to your fuel usage. Our latest adventure appeared, at first glance, to be nearly impossible. The EPA says that the Ram 1500 EcoDiesel we would be driving gets just 22 combined mpg (19 city and 27 highway). Gerdes' idea was to drive it as far north from Houston, TX towards Detroit, MI as we could go on one tank. The day before we left, our itinerary got an extra stop. Instead of taking one of the official Shell Eco-marathon prototype vehicles to Detroit, it was decided to bring the winning diesel-powered prototype from the just-finished event to The Henry Ford Museum, where it had been arranged the car would be displayed. The winning car was built by a small team (just four students) from Sullivan High School in Sullivan, IN, who managed to beat a number of college teams with a score of 1,899.32 mpg. That target would be a bit out of reach for the Ram, but could we get 1,000 miles from the tank? Since the truck has a 26 gallon tank (officially, anyway), that would mean the EPA says we could only go 702 miles, assuming all highway driving. Could we make up 300 miles with careful driving? That spells both challenge and fun.

Dodge adds fire-breathing Durango SRT for 2018

The playbook for Dodge right now is pretty simple. Wring as much power out of as many things as humanly possible. Now comes the 2018 Dodge Durango SRT. Packing 475 horsepower and 470 pound-feet of torque, this seven-seat school bus will scoot to 60 miles per hour in just 4.4 seconds. Since the latest Durango launched for 2014, Dodge has unabashedly called it a three-row Charger. This beefy SUV makes that aggressive claim even more legit. "It does all the things we want a performance car to do," says Mark Trostle, head of performance, passenger, and utility vehicle exterior design. "It really is our three-row Charger." The 6.4-liter (392 cubic inches) Hemi V8 is considerably stronger than the already-potent 5.7-liter Hemi V8, which is rated at 360 hp and 390 lb-ft in the most powerful Durango available now. The SRT powertrain includes the TorqueFlight eight-speed automatic transmission used in the lesser Durango models (and many other FCA US vehicles), though it's calibrated specifically to the sportier demeanor of the SRT model. A similarly retuned full-time all-wheel-drive system rounds out the powertrain. Despite the fact this is a hot-rod SUV, it can still tow 8,600 pounds with a trailer, 1,200 pounds more than the most capable 2017 Durango (the rear-wheel 5.7-liter variant). View 9 Photos The Durango SRT is an obvious move for Dodge. The Jeep Grand Cherokee, which is built on the same platform in the same factory in Detroit, already has an SRT model. With rumors of a Hellcat-powered Grand Cherokee swirling and another Demonic Challenger on the way, the Durango was overdue for an engine upgrade. "When we launched the Durango in 2014, this is the one we really wanted," says Tim Kuniskis, head of FCA US' passenger car brands. There's no doubt this is an enthusiast-oriented SUV. Dodge even went to the trouble of certifying the Durango SRT's 12.9-second quarter-mile time with the NHRA and tested it a Virginia International Raceway. Buy a Durango SRT, and you get a full day at the Bob Bondurant School of High Performance Driving. When's the last time anyone did all of that with a three-row ute? It certainly looks the part. The hood bulges with new air-ducts to help keep the big Hemi chilled appropriately. There's a new front fascia with more air vents and LED fog lamps. Plus, the grille takes on a menacing new glare with a mesh pattern, and the body gets wider wheel flares. Click through the gallery, it really does look like a Charger from some angles.

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