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Why it's difficult to accurately test the efficiency of a plug-in car

When it comes to electric vehicles and plug-ins in general, the Environmental Protection Agency-certified range is a hugely important number. While actual range anxiety is largely psychological, the magic number does provide a point of comparison of buyers considering one EV over another. The driving distance is also often touted by automakers when marketing their models. Unfortunately, as Green Car Reports finds in a recent deep dive, the way the EPA calculates the figure is a convoluted mess, and discovering the reasons why is definitely worth the read. The issue isn't about bad science but instead comes down to vague wording. The EPA's accepted range test is sourced from an evaluation called J-1634 from the Society of Automotive Engineers, and it seems to provide balanced results for vehicles that automatically reach a single state of charge when plugged in. However for models with multiple charge settings, the situation gets complicated very quickly. Of course, these modes are often created in the software, meaning that a car's certified driving distance can change with just a few taps of the keyboard without the real world results owners might experience actually changing. By showing the test's effects on the certified range for the Tesla Model S, Nissan Leaf and Mercedes-Benz B-Class Electric Drive over the last few years, Green Car Reports makes a compelling argument that it's the evaluation that needs to change. Thankfully, it appears that the solution is a very simple one. Get the details here.

Renault to alert prosecutors about Carlos Ghosn's wedding costs

PARIS — Renault has found evidence that it paid part of Carlos Ghosn's wedding costs and is preparing to turn the investigation over to prosecutors, two weeks after the French carmaker's scandal-hit chairman and chief executive was forced out. An internal probe established that a 2016 sponsorship deal with the Chateau de Versailles included a 50,000 euro ($57,000) personal benefit to Ghosn, the carmaker said on Thursday, confirming a report in Le Figaro. The carmaker replaced Ghosn on Jan. 24, more than two months after his arrest in Japan over allegations of financial misconduct uncovered by Renault's Japanese affiliate Nissan, which he also chaired. Renault began its own examination of payments to Ghosn within days of his detention but had not flagged any irregularities until now. Renault has discovered that "Mr Ghosn was accorded a personal benefit valued at 50,000 euros under the terms of a sponsorship contract with the Chateau de Versailles," the company said in a statement on Thursday. "Renault has decided to bring these findings to the attention of the judicial authorities." The office of Ghosn's Japanese lawyer Motonari Otsuru did not immediately respond to a request for comment. Ghosn remains in detention in Tokyo with limited opportunity to respond publicly to allegations against him. Renault had agreed before the wedding to sponsor 2.3 million euros of Versailles renovations in return for a credit granting the carmaker services from the chateau worth 25 percent of that amount, or 575,000 euros, a person with knowledge of the matter told Reuters. Le Figaro reported that the chateau allowed Ghosn to host his wedding reception on its grounds in exchange for Renault's donations to the Versailles estate, resplendent home to France's last kings. The rental fee was deducted from Renault's credit for use of the Grand Trianon at Versailles on Oct. 8, 2016, when Ghosn and his second wife Carole hosted their wedding reception at the 17th-century palace, the source said. The event had already attracted public attention for its opulence and Marie Antoinette-themed costumes. The Renault board was informed about the discovery on Wednesday, as reported by Le Figaro, the source added. Earnings/Financials Government/Legal Mitsubishi Nissan Renault renault-nissan

Nissan executive Jun Seki resigns to become president of Nidec

YOKOHAMA, Japan — The executive tasked with leading a recovery at Nissan said he had decided to resign just weeks into his new job, a move that could disrupt the automaker's push to turn the corner on scandal and slumping sales. Jun Seki, Nissan's vice chief operating officer and a former contender for chief executive, told Reuters he was leaving to become the president of Nidec, a Kyoto-based manufacturer of automotive components and precision motors. He will likely depart in January after three decades at Nissan, including a stint heading its China business. "I love Nissan and I feel bad about leaving the turnaround work unfinished, but I am 58 years old, and this is an offer I could not refuse. It's probably my last chance to lead a company too," he said in a brief interview. "It's not about money. In fact, I will take a financial hit since Nissan pays us well," Seki said. He declined to elaborate further. Nissan and Nidec declined to comment. Seeking to roll back some of the costly expansion under ousted chairman Carlos Ghosn, Nissan has embarked on wide-ranging turnaround plan. That plan, which began in April, is now on track to generate a cumulative few hundred billion yen in cost cuts and operational efficiency gains by the year to March 2022, according to two Nissan sources who spoke on condition of anonymity. One hundred billion yen is roughly equal to $915 million (707 million pounds). Adding to concerns about disruption among Nissan's top management, the sources said that Seki, Chief Operating Officer Ashwani Gupta and Chief Executive Makoto Uchida have so far failed to gel as a team after being named to their posts in October. They officially took over on Dec. 1. "There was no instant, cohesive chemistry achieved by those appointments," one of the sources said. Gupta and Uchida were not immediately available for comment. Seki's resignation could further complicate Nissan's relationship with top shareholder Renault SA. Seki recently worked in Paris for a year and was seen as relatively close to the French automaker. PERSUADED IN THE END Asked if he was leaving Nissan because he was passed over for the role of chief executive, Seki said that was not the case but did not elaborate. He and Uchida, most recently the head of the China business, had been seen as top contenders for the CEO job. Reuters reported in September that Uchida was seen as more favored by Renault.