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Autonomous Chrysler Pacficas join Lyft test fleet

Lyft has another year of building out its autonomous driving program under its belt, and the ride-hailing company has been expanding its testing steadily throughout 2019. The company says that it's now driving four times more miles on a quarterly basis than it was just six months ago, and has roughly 400 people worldwide dedicated to autonomous vehicle technology development. Going into next year, it's also expanding the program by adding a new type of self-driving test car to its fleet: Chrysler's Pacifica hybrid minivan, which is also the platform of choice for Waymo's current generation of self-driving car. The Pacifica makes a lot of sense as a ridesharing vehicle, since it's a perfect passenger car with easy access via the big sliding door and plenty of creature comforts inside. Indeed, Lyft says that it was chosen specifically because of its "size and functionality" and what those offer to the Lyft AV team when it comes to "experiment[ing] with the self-driving rideshare experience. Lyft says it's currently working on building these test vehicles out in order to get them on the road. Lyft's choice of vehicle is likely informed by its existing experience with the Pacificas, which it encountered when it partnered with Waymo starting back in May, with that company's autonomous vehicle pilot program in Phoenix, Arizona. That ongoing partnership, in which Waymo rides are offered on Lyft's ride-hailing network, is providing Lyft with plenty of information about how riders experience self-driving ride-hailing, Lyft says. In addition to Waymo, Lyft is also currently partnering with Aptiv on providing self-driving services commercially to the public through that company's Vegas AV deployment. In addition to adding Pacificas to its fleet alongside the current Ford Fusion test vehicles it has in operation, Lyft is opening a second facility in addition to its Level 5 Engineering Center, the current central hub of its global AV development program. Like the Level 5 Engineering Center, its new dedicated testing facility will be located in Palo Alto, and having the two close together will help "increase the number of tests we run," according to Lyft. The new test site is designed to host intersections, traffic lights, roadway merges, pedestrian pathways and other features of public roads, all reconfigurable to simulate a wide range of real-world driving scenarios.

500+ hp Stellantis 'Hurricane' I6 previews a world without Hemis

After years of rumored development, Stellantis has revealed its new six-cylinder engine family. The 3.0-liter, twin-turbocharged "Hurricane" I6 will offer V8 power, forced induction torque and six-cylinder efficiency in a package designed to fit into any of the company's North American rear-wheel-drive platforms.  What is "V8 power," exactly? Well, in standard output guise, the new I6 cranks out more than 400 horsepower (the specific figure will vary by application) and 450 pound-feet of torque, while the high-output variant is good for more than 500 horses and 475 lb-ft. The final figures will be dependent on the application. We'll save you a little legwork: In current Ram, Jeep and Dodge products, the 5.7-liter Hemi tops out at about 395 hp and 410 lb-ft, give or take, and the 6.4-liter around 485 hp and 475 lb-ft.    This is a clean-sheet design that is only related to the company's turbocharged four-cylinder by some common measurements. The I6 is exclusively direct-injection (no hybrid/port-injection here) and the two I6 variants share 96 common parts, including the block and oil pan design. The differences are found in their internals, intake plumbing, valvetrain components and the turbochargers themselves. Stellantis is not yet ready to share specs or supplier info for the turbos but says announcements will come from its partners soon.  The standard-output I6 has a compression ratio of 10.4:1 and revs to 5,800 rpm. It will run on regular fuel, albeit with reduced performance; 91 octane is recommended for maximum output. The high-output variant has a compression ratio of 9.4:1 and will rev to 6,100 rpm. That one will require premium. The new I6's advantages go beyond basic power output. Every Hemi family engine currently in production is based on an iron block design, so they're heavy. The aluminum-block I6 shaves weight off the total engine package, even if some of that gets added back thanks to the turbos and their associated plumbing. The standard-output I6 weighs 430 pounds, Stellantis engineers told us; the high-output adds just another 11. Fully dressed 5.7-liter V8s are in the 550-560-pound ballpark, and 6.4-liters close in on 600 pounds.  You may be wondering, "Why a clean-sheet gasoline engine now, when the industry is moving toward battery-electrics?" A valid inquiry, and one Stellantis was prepared to address. While the company will be pivoting to electrification over the next decade, it won't be instantaneous.

An early gas-electric hybrid was developed by...Exxon?

We're not sure which aspect of Exxon's 1970s-era efforts to develop advanced and electrified powertrains is the most ironic. There's Exxon, that of the Valdez oil spill infamy, being on the leading edge of hybrids and electric vehicles. There's a boat-like Chrysler Cordova getting 27 miles per gallon. And there's the central role a Volkswagen diesel engine plays in that hybrid development. It's all outlined in an article (linked above) by Inside Climate News, and it's an amusing read. Flush with cash and fearing what it thought was peak oil production in the 1970s, Exxon funded a host of new ventures divisions geared to find alternatives to gas-powered powertrains. In the early 1970s, Exxon lured chemist M. Stanley Whittingham to develop what would become a prototype of a lithium-ion rechargeable battery. Then, in the late 1970s, Exxon pioneered the concept of using an alternating-current (AC) motor as part of a gas-electric hybrid vehicle. The company retrofitted a Chrysler Cordova (yes, that's the model Ricardo Montalban used to hawk) with a powertrain that combined 10 Sears Die-Hard car batteries, an alternating current synthesizer (ACS), a 100-horsepower AC motor, and, yes, a four-cylinder 50-horsepower Volkswagen diesel engine. The result was a rather large two-door sedan that got an impressive 27 mpg. And while US automakers didn't see the potential in the early concept, in 1980 Exxon and Toyota began collaborating on a project that would involve retrofitting a Toyota Cressida with a hybrid engine. That car was completed in 1981, and may have been one of the seeds that eventually helped sprout the concept of the Toyota Prius. Soon after rebuilding the Cressida, Exxon would get out of the advanced-powertrain-development business, as oil prices began to fall in the early 1980s, spurring cost-cutting measures. Cry no tears for the Exxon, though, as what's now known as ExxonMobil is the largest US oil company. Related Video: News Source: Inside Climate NewsImage Credit: Spencer Platt/Getty Images Green Read This Chrysler Toyota Electric Hybrid battery