Wednesday, February 02, 2011

10 Things You (Probably) Didn't Know About the Nissan Leaf - Popular Mechanics

10 Things You (Probably) Didn't Know About the Nissan Leaf

Think you've read all there is to know about the much-anticipated all-electric Nissan Leaf? Think again. Here are 10 things you probably didn't know about the Leaf.

By G.E. Anderson

#10: It's Made From Recycled Water Bottles

In fact, 60 percent of the plastic on the Leaf's interior is already recycled material—much of it comes from used water bottles—and at the end of the Leaf's lifespan, 99 percent of the 3375-pound vehicle weight is recyclable and can be transformed back into water bottles or other Leafs.

#9: The Batteries Have a 100,000-Mile Warranty

Of course, all batteries degrade over time, but the Leaf's lithium-ion pack comes with an eight-year, 100,000-mile warranty. According to Nissan's estimates, even after a decade of use, the Leaf's batteries will likely maintain 70 to 80 percent of their capacity. The company also points out that since lithium doesn't chemically change over time, the batteries are completely recyclable.

#8: The Headlights Actually Make It Quieter

Even some of the Leaf's exterior components serve dual roles. The LED headlights not only illuminate the road using half the energy of halogens; their winged shape actually directs air away from the side mirrors (an innovation Nissan is currently attempting to patent) to reduce interior noise, which is whisper-quiet even at highway speeds. The Leaf is quieter than most luxury cars inside the cabin—so quiet, Nissan had to engineer new windshield-wiper motors. Apparently, the drone of internal combustion engines covers the noise made by normal wiper motors.

#7: It Gets an 80 Percent Charge in a Half-hour

Ten years ago, Nissan was selling a lithium-battery-powered car in Japan called the Hypermini. With lessons learned, the Leaf's batteries have twice the energy density (the battery power is rated at over 90 kw, with a capacity of 24 kilowatt-hours) and are less expensive to produce, thanks to the use of manganese electrodes. Using a single-phase 200-volt, 15-amp power supply, the batteries can be fully charged within eight hours using a 220-volt outlet, or about twice as long if you plug into 110. Using a three-phase, quick-charging station, the Leaf can attain an 80 percent charge in just 30 minutes.

#6: The Leaf Can Text You

The Leaf can communicate with the owner's cell phone using an e-mail-based system that manages the charging system. It will notify you when the batteries are charged, at which point you can control the air-conditioning system so the cabin reaches a specified temperature before you get in the car. It will also notify you by text message if charging is interrupted, which alleviates the need to physically baby-sit the charging station or stare at an extension cord for hours on end.

#5: The Nav System Displays Your Reachable Area in Real Time

The standard navigation system displays the range in graphic form, with a halo around the car's current location, which provides a visual estimate of how much farther you can go before recharging. The navigation system is in regular communication with Nissan's databases using satellite networks, and displays nearby charging stations on the screen.

#4: It Can Go 95 Miles per Hour

The instant we hit the highway, we throttled the Leaf up to its top speed, which is supposedly electronically limited to 90 mph. The digital speedometer read 95, at which speed the range estimate began dropping a mile every few seconds, which makes speed thrilling for an entirely different reason (this is why GM has coined the term range anxiety). We did not have enough time, or unpatrolled highway, to verify the Leaf's range under these conditions, but would guess that it might go 20 miles at full speed.

#3: The Leaf Tells You How to Drive

"Turn off Climate Control for +10 miles," the energy menu advised us. Heeding this suggestion (in part because the outside temperature wasn't uncomfortably warm), we canceled the air conditioning, switched on the vents, and watched the range estimate jump from 70 to 80 miles.

#2: Operating Cost Per Mile: $0.03

A car with an internal combustion engine that gets 25 mpg will require $1,800 in gasoline (at $3 per gallon) over a year of driving (15,000 miles), which works out to $0.12 per mile. The Leaf can be programmed to start charging in the wee hours, when off-peak electric rates apply—a feature that makes consumption economical. At $0.11 per kwh, the Leaf costs $0.026 per mile to operate, or $396 for 15,000 miles—a savings of about $1,400 (per year).

#1: The Bottom Bottom Line? $19,280

Starting at $25,280 (after a $7,500 federal rebate), the Leaf costs less than the average new car sold in America. In addition, some states offer extra incentives. For instance, California offers a $5,000 clean-vehicle rebate, and Colorado residents are eligible to receive an additional $6,000 tax credit, which brings the price tag down to $19,280. Even for $26,000, the Leaf is a lot of car. Try outfitting a Toyota Prius with a navigation system and satellite radio, and you're pushing $30,000. Lessees can cash in immediately with a government-subvented lease deal of $349 per month (in which case Nissan's financial subsidiary takes the refund).

As for the optional $2,200 charging station, the government currently offers a $2,000 tax credit toward installing a personal charging dock in your garage, which puts the cost at less than what you'd pay for an iPod Nano. Moreover, Nissan estimates that there will be 12,000 public charging stations in place across the country by this time next year.

Want!!

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