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Renault invests in sailing ships to reduce its carbon footprint

Renault is taking a page from the golden age of sailing as the company looks towards reducing its carbon footprint through the use of cargo sailing ships. The French automaker recently announced its partnership with Neoline, a start-up enterprise based in the west of France. The firm specializes in reducing the cost and emissions of typical cargo ships, by reintroducing sailing into the transportation equation. Renault's goal is to reduce its global carbon footprint by 25 percent in 2022, as compared to where they were in 2010. This plan also includes a separate target, to lower supply chain emissions - which includes shipping methods such as trucks, trains, and cargo ships - by 6 percent, compared to levels in 2016. Two prototype cargo vessels, complete with a full set of sails, will be introduced by 2021-22. These two ships will travel between the U.S. eastern seaboard (exact locations are TBD) and the French port cities of Saint-Nazaire and Saint-Pierre & Miquelon. Specifics about what exactly the ships will be carrying has not been released, though Renault is part of an extensive global auto alliance that includes Nissan and Mitsubishi. "For nearly 10 years, we have been working to identify the most environmentally sustainable solutions," said Jean-Francois Salles, Alliance global director, production control. "For example, optimizing the fill rates of the containers and trucks, producing eco-friendly packaging, and implementing a multi-modal system." The current demonstration vessel measures in at 446 feet in total length and has more than 45,000 square-feet of sail. For all you big ship fans out there, the Titanic was about double this size, stretching about 882-feet in length. When powered solely by the wind, Neoline CEO, Jean Zanuttini, says that total emissions drop by as much as 90 percent, versus the carbon footprint of a traditional cargo vessel. Related Video: Green Mitsubishi Nissan Renault Green Culture Technology renault-nissan greenhouse gases shipping ship cargo ship

Nissan considering Rogue Hybrid for US

If Nissan can pull 48 miles per gallon out of a hybrid version of the Rogue we say "go for it" to the rumored discussions it may be considering just such a vehicle for the United States. The Japanese automaker is already gearing up to start selling the X-Trail (the JDM Rogue) in hybrid form in Japan. So why not the US? Indeed, the compact crossover may soon get a hybrid version here, Automotive News says, citing comments from Rogue chief engineer Nobusuke Toukura. The X-Trail Hybrid, which goes on sale in Japan next month, cuts nitrogen oxide emissions by 75 percent compared to the gas-powered version while offering more torque from of a smaller gas engine. The model, which sells in the $23,000-to-$27,000 range, also gets an impressive 48 mpg (on the more lenient Japan driving cycle). NIssan USA spokesman Brian Brockman said the company hadn't made any announcements regarding a possible Rogue Hybrid for the US and declined to comment further. The Rogue is Nissan's second-best-selling model in the US, behind the Altima. Through March, Rogue sales were up 28 percent from a year earlier to more than 64,000 units. While hybrids account for a far higher percentage of new vehicles in Japan than in the US, increased US fuel-economy standards combined with the model's popularity make the Rogue Hybrid a fairly logical next step for the model.

Is the skill of rev matching being lost to computers?

If the ability to drive a vehicle equipped with a manual gearbox is becoming a lost art, then the skill of being able to match revs on downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. The usefulness of rev matching in street driving is limited most of the time – aside from sounding cool and impressing your friends. But out on a race track or the occasional fast, windy road, its benefits are abundantly clear. While in motion, the engine speed and wheel speed of a vehicle with a manual transmission are kept in sync when the clutch is engaged (i.e. when the clutch pedal is not being pressed down). However, when changing gear, that mechanical link is severed briefly, and the synchronization between the motor and wheels is broken. When upshifting during acceleration, this isn't much of an issue, as there's typically not a huge disparity between engine speed and wheel speed as a car accelerates. Rev-matching downshifts is the stuff they would teach at the automotive equivalent of the Shaolin Temple. But when slowing down and downshifting – as you might do when approaching a corner at a high rate of speed – that gap of time caused by the disengagement of the clutch from the engine causes the revs to drop. Without bringing up the revs somehow to help the engine speed match the wheel speed in the gear you're about to use, you'll typically get a sudden jolt when re-engaging the clutch as physics brings everything back into sync. That jolt can be a big problem when you're moving along swiftly, causing instability or even a loss of traction, particularly in rear-wheel-drive cars. So the point of rev matching is to blip the throttle simultaneously as you downshift gears in order to bring the engine speed to a closer match with the wheel speed before you re-engage the clutch in that lower gear, in turn providing a much smoother downshift. When braking is thrown in, you get heel-toe downshifting, which involves some dexterity to use all three pedals at the same time with just two feet – clutch in, slow the car while revving, clutch out. However, even if you're aware of heel-toe technique and the basic elements of how to perform a rev match, perfecting it to the point of making it useful can be difficult.