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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.

Nissan and Renault chief engineers meeting to revive joint projects

PARIS — Renault's engineering boss will meet his counterpart at Nissan in Japan this week, two sources close to Renault said, as the carmakers seek to revive projects crucial to an alliance left reeling by the Carlos Ghosn affair. The Franco-Japanese alliance is wrestling with the fallout of the ouster and arrest of Ghosn, the architect of the partnership who now says it is at risk of collapse. Analysts say that in order to turn investor sentiment around, the firms need to make good on cost-saving joint engineering projects that have slowed since Ghosn's departure. According to the two sources, Gilles Le Borgne, who was hired on Jan. 6 from rival automaker PSA, will meet Nissan's Tsuyoshi Yamaguchi, the Nissan executive in charge of delivering the joint engineering projects. Renault did not respond to a request for comment on Le Borgne's meetings. Renault-Nissan's cost-saving alliance is vital to both companies as the car industry battles a slowdown and huge investments in cleaner vehicles and automated driving. "The alliance has taken a hit, but the alliance engineering team is still there," said a third source, who is close to the alliance. "You cannot, from one day to the next, stop something that's been embedded so deeply." Japanese prosecutors arrested Ghosn — who was at the time the head of the carmakers' alliance -- in November 2018 and accused him of financial misconduct. Ghosn slipped out of Japan and fled at the end of December to Lebanon. He says the charges were fabricated to force him out of an alliance in which the Japanese side no longer trusted its French partners. Renault Chairman Jean-Dominique Senard has said both sides are determined to make the partnership succeed, with the joint projects a major focus. Those projects will be on the agenda when the board of the alliance, which also includes Japanese carmaker Mitsubishi <7211.T>, holds a regular meeting in Japan on Jan. 30. One area of focus will be hybrid power systems, a field where, analysts say, the alliance has not effectively pooled its research and development efforts. Each of the three members of the alliance has developed their own systems. "That's been among the sources of the friction," said the third source close to the alliance.

CES 2020 and Carlos Ghosn | Autoblog Podcast #609

Welcome to a new decade of the Autoblog Podcast. In this week's episode, Editor-in-Chief Greg Migliore is joined by Senior Editor Alex Kierstein and Senior Editor, Green, John Beltz Snyder. First they talk about their early impressions of CES 2020 in Las Vegas, in particular how interesting Sony's Vision-S Concept is. Then they talk about the intriguing saga and daring escape of former Nissan boss and global fugitive Carlos Ghosn. After that, they turn their attention to what they've been driving, including the Genesis G70, Chevy Blazer and Hyundai Santa Fe. Finally, they help a listener pick a new fun toy to replace an unloved Porsche Cayman in the "Spend My Money" segment. Autoblog Podcast #609 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown CES 2020 And that excellent Sony Vision-S Concept What's going on with Carlos Ghosn? Cars we're driving:2020 Genesis G70 2.0T Sport RWD 2020 Chevrolet Blazer Premier AWD 2020 Hyundai Santa Fe 2.0T AWD Spend My Money Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: