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Cadillac tops Tesla in Consumer Reports semi-automated driving test

General Motors' Cadillac outscored Tesla in a new ranking of partially automated driving systems tested by Consumer Reports and released on Thursday. The highly influential nonprofit organization, which tests and rates a variety of consumer products from appliances to vehicles, said it compared Cadillac's Super Cruise and Tesla's Autopilot with similar systems from Nissan and Volvo. Nissan's ProPilot Assist was ranked third and Volvo's Pilot Assist fourth. Consumer Reports said it has been testing partially automated driving systems for several years but elected to conduct a formal study intended for publication, because "we are at a tipping point where they are now going mainstream," according to Jake Fisher, director of auto testing. The organization said its tests, conducted on a private track and on public roads in Connecticut, were designed to measure the systems' ability to automatically control steering and speed in certain situations, while helping drivers pay attention and regain manual control of the vehicle when required. CR noted that any of these systems can increase driving risk if used in inappropriate situations, or if drivers become inattentive or over-reliant on them. While they can help relieve driver stress and fatigue, Consumer Reports said, the partially automated systems are "not intended to be self-driving features." The systems typically use cameras, radar and other sensors, as well as mapping data, to monitor location and traffic conditions and help keep a vehicle centered in the lane at a safe distance behind other cars. Each system has limitations. Cadillac's Super Cruise, for instance, only functions on divided highways that have been mapped by GM. In contrast, Tesla's Autopilot can be used even on small, curvy roads with poor lane markings, but "operates erratically in those situations," Consumer Reports said.The organization tested Super Cruise on the Cadillac CT6; Autopilot on the Tesla Model 3, Model X and Model S; ProPilot Assist on the Nissan Leaf and Infiniti QX50; and Pilot Assist on the Volvo XC40 and XC60. Consumer Reports said Cadillac's Super Cruise did "the best job of balancing high-tech capabilities with ensuring the car is operated safely and the driver is paying attention." Tesla's Autopilot was cited for its capability and ease of use, while Nissan's ProPilot Assist did a better job than Autopilot or Volvo's Pilot Assist in keeping drivers engaged.

Nissan IDX production model to get sharper, less retro styling

The Nissan IDx seems like the type of concept that auto enthusiasts wish they could be driving. With a compact size, style inspired by the classic Datsun 510 and a rear-wheel-drive powertrain, it certainly ticks many of the boxes that people want. Unfortunately, the car seems to be miles away from actually getting a green light for production, but rumors about the retro coupe's future keep cropping up.
The last we heard about the IDx, the biggest complication with the coupe was that it was a tough project to make profitable. Nissan didn't have a cheap enough rear-wheel drive platform to make the affordable coupe work. The latest rumors point to a potential solution to this problem. According to Motoring from Australia speaking to an insider close to Nissan, the new plan is to tweak the styling to be less retro and adapt the car to work on the platform for the forthcoming, next-generation Z car.
The new look reportedly cribs from the Nissan Sport Sedan Concept from the 2014 Detroit Motor Show, including its floating roof design and sharper edges around the fenders. In terms of power, the source tells Motoring, the IDx could use a naturally aspirated 2.0-liter four-cylinder engine with around 180 horsepower on tap. That might not sound like too much, but remember the Z car itself is rumored to get smaller and lighter when it's new generation hits the stage. If the weight is low enough, potentially using it for the IDx might just work.

Renault-Nissan reportedly partnering with Waymo on self-driving cars

The Renault-Nissan-Mitsubishi alliance will tie up with Alphabet Inc's Waymo to develop autonomous taxis and other services using self-driving vehicles, the Nikkei reported on Tuesday. Google's self-driving car company Waymo will work with the carmakers and announce a plan for the arrangement as early as this spring, the business daily reported. The partners are considering the joint development of unmanned taxis using Nissan vehicles and a system that handles reservation and payments, Nikkei said. A spokesman at the Renault-Nissan-Mitsubishi alliance, Nick Twork, said, "This (Nikkei) story is based on rumors and speculation. We have nothing to announce." Waymo did not immediately reply to a request for comment. Last month, Nissan Motor Corp said its board remained committed to the carmaker's alliance with Renault SA and Mitsubishi Motors Corp, after directors met to discuss the ongoing investigation into former chairman Carlos Ghosn and ways to bolster governance. Among the companies developing autonomous driving technology, Waymo is considered to be far in the lead in terms of test-fleet miles driven. It operates hundreds of vehicles in 25 U.S. locations, and is already operating a taxi service with paying customers in Chandler, Ariz. Related Video: