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Recharge Wrap-up: EV taxis in Amsterdam, Montreal's electric carsharing goals

Amsterdam has become the electric taxi capital of the world. Taxi Electric, TCA, and Connexxion each operate electric cabs around the city, including 170 Nissan Leaf and e-NV200 taxis. Taxi Electric started with three Nissan Leafs in 2011, and the idea has caught on. Businesses are saving money on fuel and maintenance, garnering attention and new clients for themselves and doing their part to help reduce emissions and improve local air quality. The city of Amsterdam hopes to be emissions-free by 2025, and is building more and more charging stations to this end. This helps make the city the perfect home for the electric cabs. See the video above and read more from Nissan. Montreal is calling for a large electric carsharing program. Mayor Denis Coderre says that he'd like the city to be seen as a leader in electric transportation. His vision includes a carsharing program of 250 electric vehicles by next spring, growing to 1,000 EVs by 2020. This would help Montreal reach its goal of cutting the city's greenhouse gas emissions by a third over the next five years. The city also wants to build new charging infrastructure to make the carsharing plan, as well as individual EV ownership, easier to achieve. Currently, carsharing group Communauto operates a fleet of 40 EVs in Montreal. Read more at Treehugger. Enterprise Carshare has joined the nonprofit CarSharing Association. The car rental company's carsharing business made the announcement at the 2015 International Car Rental Show, during a session called "The Convergence of Car Sharing and Car Rental." "Enterprise CarShare is a well-established player in the industry and we're glad to have their help in expanding support for sustainable urban mobility in communities around the world," says CarSharing Association Executive Director Alan Woodland. Read more from Enterprise in the press release below. Enterprise CarShare Joining CarSharing Association LAS VEGAS (April 15, 2015) – Enterprise CarShare formally announced yesterday – at the 2015 International Car Rental Show – that it has joined the CarSharing Association, a not-for-profit organization committed to advancing cooperation between urban mobility providers, cities and public transit. The announcement was made during a Car Rental Show session titled, "The Convergence of Car Sharing and Car Rental," which highlighted the important role that the car rental industry plays in the evolution of urban mobility.

Infiniti's new VC-T changes the rules of small turbocharged engines

The upcoming Infiniti QX50 crossover does not get our pulse racing, no matter how shapely the QX Sport Inspiration concept that previews it may be. No midsize SUV does, to be fair. But it has something special under the hood – the world's first production variable-compression-ratio engine. That means the QX50's 2.0-liter turbo four, which makes 268 horsepower and 288 pound-feet of torque, will have up to 27 percent better fuel economy. Here's how it works. The trend of moving to smaller, turbocharged engines carries with it one big falsehood. Under low load when the turbo isn't needed, these engines are less efficient than an equivalent engine without a turbo because of the low compression ratio the turbo requires. That is, if you never need the extra power, you're wasting fuel. Turbocharged (and supercharged) engines use a lower compression ratio to prevent detonation. When you force extra air in a cylinder and mix it with fuel, it's more likely to prematurely go boom. Lowering the compression ratio prevents this problem, but it's less efficient. Infiniti's VC-T promises the best of both worlds, with a compression ratio that ranges from 8.0:1 for high-power turbo needs to a 14.0:1 ratio for fuel-sipping efficiency. At its heart the VC-T engine is a simple idea, but it's complicated to explain. Consider yourself warned. The photo below from Infiniti serves as a good visual overview. For the truly nerdy, this patent application covers the mechanical concept. Instead of having the pistons connected to the crankshaft, Infiniti's engine has a pivot arm with a connection on each end. One end connects to the piston, the other connects to a second lower shaft, which is controlled by an actuator arm. At any given time the engine's pistons move up and down according to the lobes on the crankshaft. But the actuator arm can change the angle of the pivot arm up and down. That is, the pistons still move in the same motion with the same stroke, but phase the entire stroke up or down. Move the pivot up and there's less room at the top, which means a higher compression ratio. Move the pivot down and the compression ratio goes down, too. As an added bonus, the lower shaft eliminates the need for counter-rotating balance shafts. Infiniti says this system works constantly and can vary the compression ratio to any number between 8:1 and 14:1. It also uses electronic variable valve timing on the intake valves to switch into Atkinson-cycle combustion for greater efficiency.

2018 Hyundai Accent vs subcompact sedans: How it compares on paper

Hyundai first revealed the new 2018 Hyundai Accent a few months ago, but that debut was in Canada for the Canadian-market car. We didn't get our look at the U.S. version until just recently, which is when we also finally got plenty of specifications on the little car. So as we did with the Genesis G70, we've brought you a breakdown of the Accent's specs and some of the segment's best and most popular: the Nissan Versa, Kia Rio, Chevrolet Sonic and Toyota Yaris iA. Before we get to the chart, let's give you a quick reintroduction to the 2018 Accent. The subcompact is completely new this year, and under the hood is again a naturally aspirated 1.6-liter four-cylinder engine. It makes 7 fewer horsepower and 4 fewer pound-feet of torque than the outgoing model with totals of 130 horsepower and 119 pound-feet. This drop in power probably won't be noticeable, though. It's also available with either a manual or automatic transmission, both featuring six speeds. Fuel economy hasn't been announced, but the Rio's numbers below are probably a good indicator as they share powertrains. The one thing that isn't available with an Accent is a hatchback. According to Autoweek, the hatchback was canned with the assumption that hatch buyers would simply purchase an example of the upcoming Kona crossover. But if you want a traditional subcompact hatch from South Korea, Kia is happy to oblige, as the Rio is still available as a hatchback. Learning that the Kona may have killed the Accent hatch causes us to wonder if Kia brought the Rio hatch to the U.S. because it wasn't planning on offering the Stonic. Related Video: News Source: Hyundai, AutoweekImage Credit: Hyundai Chevrolet Hyundai Kia Nissan Toyota Sedan nissan versa hyundai accent kia rio toyota yaris ia