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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.

Renault to Nissan: Stop trying to contact our board members

TOKYO/PARIS — Renault told alliance partner Nissan to stop contacting the French company's directors ahead of a Thursday board meeting as the Japanese automaker tried to share evidence of wrongdoing by its ousted chairman, Carlos Ghosn, two sources said. Ever since Ghosn's Nov. 19 arrest in Japan, Renault and the French government, the automaker's biggest shareholder, have demanded to see the findings of a Nissan internal investigation that include allegations of financial misconduct by the 64-year-old executive. Ghosn was charged on Monday in Japan for failing to declare deferred income he had agreed to receive for the five years ending March 2015. While Nissan fired him as chairman days after his arrest, he remains chairman and CEO of its French partner. Renault's board meets on Dec. 13, and the findings of Nissan's investigation will be shared at the meeting where Ghosn's future could be also debated, one of the sources with knowledge of the matter said. The French firm told Nissan not to contact its directors ahead of the meeting, because such contact was outside the agreed channels for communication of the sensitive findings, the source said. Nissan offered last week to brief Renault's board about findings on what it considers proof of wrongdoing by Ghosn, said a second source who has knowledge of the matter but declined to be identified as it was confidential. But Renault advised Nissan to brief its lawyers instead, which led to a meeting between the Japanese firm's officials and Renault's legal teams early this week in Paris, the person said. The Japanese automaker later invited Thierry Bollore, who was named Renault's deputy CEO with the same powers as Ghosn a day after his arrest, as well as board members, to examine the contents of the findings, said the source. Bollore, though, told Nissan on Tuesday to "refrain from contacting the board," the source said. The exchange between Renault and Nissan is another example of the testy relationship between the two automakers, despite assurances by executives on both sides to preserve the alliance. The alliance, of which Ghosn has been the driving force, is widely seen as vital for the members' long-term survival. Board members invited to see the evidence included Martin Vial, who heads the French state shareholdings agency, interim Chairman Philippe Lagayette and independent director Patrick Thomas, the second source said. A Renault spokesperson declined to comment.

Nissan GT-R goes 183 mph on ice in Russia

When a pair of Russian pilots wanted to set a local ice-speed record, they chose a stock Nissan GT-R for the task. Roman Rusinov, a Russian race car driver, and Andrey Leontjev, a Russian auto journalist, took Godzilla to Lake Baikal and ran it up to 294.8 kilometers per hour (182.8 miles per hour) across frozen stuff estimated to be 1.4 meters thick.
While the worldwide record of 205.48 mph was set by Juha Kankkunen in a Bentley Supersports Convertible, the mark achieved by Rusinov and Leontjev establishes a new Russian record. Well done, boys. You can watch it all go down in the video below.