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Toyota shows a smoother autonomous Lexus for CES

Toyota is bringing a new research vehicle to CES. The TRI-P4 autonomous driving test vehicle, based on the Lexus LS500h, is a major step ahead, according to Toyota, as it has improved computing power and additional cameras for better reaction times. Earlier test mules have also used the LS as a basis, and the shift to the new, fifth generation LS brings chassis and steering-control benefits, so the vehicle's movements are smoother in automated mode. The camera tech has also been better integrated into the vehicle design, courtesy of CALTY in Ann Arbor, Michigan. Development has been swift, as the TRI's P2.1 car was unveiled in 2017. The P4 car will be used for Toyota Research Institute's Guardian and Chauffeur mode development. The two tiers differ somewhat, as TRI's Ryan Eustice explains: "Our Chauffeur development is focused on full autonomy, where the human is essentially removed from the driving equation, either completely in all environments, or within a restricted driving domain. Guardian, on the other hand, is being designed to amplify human performance behind the wheel, not replace it. The introduction of the new P4 platform will help us accelerate the development of both tracks when it joins our fleet this spring." The vehicle's situational awareness is boosted by two extra cameras facing on the sides, and a new imaging sensor both forward and rearward. Toyota says the P4's lidar setup is a carryover from the previous platform, but that its machine learning is much improved by its more powerful computer setup. The electricity required by the P4's computing power also comes from the hybrid battery, and as the computer "brain" is now housed vertically against the rear seat's backing, actual trunk space has been freed. More LS500hs will begin to be modified into TRI-P4 vehicles during spring 2019. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Weekly Recap: Automakers rethink the definition of luxury

Variety is the spice of life, but it's becoming a prerequisite for luxury carmakers in the ultra-competitive US market. The Detroit Auto Show was strong evidence of this reality. It's not enough to offer attractive and well-appointed cars and SUVs anymore. Luxury brands that want to be competitive need to invest in everything from high-powered supercars to clever hybrids. To be relevant, you need to be green and mean – and everything in between. As General Motors product chief Mark Reuss said after the reveal of the 640-horsepower Cadillac CTS-V: "We are not leaving anything on the table." He was speaking for Cadillac, but he might as well have been speaking for the luxury car market. The CTS-V debuted in Detroit about an hour after Lexus surprised showgoers with the reveal of the RC F GT3 race car and then announced ambitious plans to return to competitive racing. That almost overshadowed the fact Lexus had just revealed another potent addition to its growing F line, the 467-hp GS F. View 20 Photos But for luxury brands, it's not just about maximum horsepower for well-heeled enthusiasts or decadent amenities for the Grey Poupon set. Strong competition from all corners has forced automakers to refine and expand their lineups in ways unforeseen even a few years ago. Case in point: Mercedes-Benz finally has an answer to the BMW X6, rolling out the GLE coupe in Detroit. The X6, which blends coupe-like styling cues with some of the functionality of an SUV, debuted in 2008. Back then it was a punchline, but seven years and more than 260,000 sales later, the X6's success has compelled Benz to respond. Mercedes – one of the strongest proponents of diesel technology – also debuted the C350 plug-in hybrid sedan, which promises a range of 20 miles on electricity, though fuel economy figures were not announced. The car pairs Mercedes' well-received 208-hp turbocharged four-cylinder with an electric motor for total output of 275 hp and 443 pound-feet of torque. Meanwhile, Infiniti will add the Q30 hatchback to its lineup by the end of the year, new president Roland Kruger reiterated in Detroit. It's expected to be joined by a crossover variant, and the additions will help strengthen Infiniti in the United States and abroad. "While we're expanding our product line, we're also expanding our market reach," he said. That's something echoed by Jaguar executives, who are preparing to launch the brand's first crossover, the F-Pace, in 2016.

Junkyard Gem: 2002 Lexus GS 300

Toyota finally killed off the Lexus GS last year, after nearly 20 years of earning respect but not nearly as many yen as the Toyota City overlords had hoped. American car buyers came to prefer truck-shaped machinery during the production life of the GS, and those who wanted sedans didn't see the advantages of the rear-wheel-drive GS over the similarly-sized-but-cheaper ES. From 1993 through 2005, American Lexus shoppers could buy a new GS with the magnificent 2JZ straight-six engine, which achieved international gearhead immortality thanks to a certain movie franchise, and these cars have been very difficult for me to find during my junkyard travels. Here is a rare example of the final generation of 2JZ-equipped GS 300s, found in a Northern California boneyard last summer. V8 versions of the GS (the 400 and, later, 430) could be bought here, equipped with the bulletproof-but-heavy 1UZ/3UZ V8 engine out of the LS. Those cars were quicker and faster than the GS 300 but handled in more ponderous fashion. This engine was rated at 220 horsepower, but you could get scary multiples of that amount with the addition of aftermarket boost. In Japan, this car's Aristo counterpart got 276 horses out of its turbocharged 2JZ. No manual transmission could be had in the 2002 GS (nor in the JDM Aristo and its Crown cousin), but at least the enforced automatic came with five forward speeds. This car looked and felt like a smaller LS 430 inside, but the rear-wheel-drive layout made the rear seat space smaller than that of the Camry-based ES 300. Finding the keys in a new-ish junkyard car means that it was most likely an insurance total or dealership trade-in. Maybe someone will rescue that 2JZ before The Crusher eats it. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. As always with Toyota products, the Japanese-market ads were more dramatic than those from elsewhere. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The V8-equipped GS forces the BMW 540i to drive over a cliff, Wile E. Coyote-style.