PracticalEnvironmentalist
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Practical Environmentalist


Photo courtesy of efusco at Flickr.com.

Hybrid cars make me drool. The idea of getting 50 miles per gallon instead of 25 is almost enough to make me run out and get one today. But, hybrid cars are expensive and there’s an environmental case to be made for getting the full life out of my current car before I go shopping for a new toy.

It’s tempting to try for the best of both worlds and shop around for a used hybrid car. But, we’re rapidly approaching a milestone in the age of hybrid cars. Battery packs from Priuses made in 2001 were only rated for 100,000 miles (what do you call more than one Prius, anyway? Priusi?). Assuming the previous user drove 12,000-15,000 per year, that means the cars are likely to have 100k or more on the odometer. So, a first generation Prius is likely to come with a geriatric battery.

Normally, this wouldn’t be a problem. Used cars have all sorts of maintenance issues, and car buyers pay a discounted price because they know that costly repairs are a possibility. Battery packs break the mold because battery technology is complicated and hybrid battery packs are shockingly expensive. When these battery packs wear out, they can cost several thousand dollars to replace, and require expert technicians to do the work. From the Newsweek article:

Philip Card of Utica, N.Y., says a Toyota dealer wanted to charge him $3,900 to replace the battery on his 2001 Prius, which had 350,000 miles on it when he bought it used on eBay this year for $4,357.

So, here are a few things to bear in mind:
1) A huge aftermarket is developing for hybrid batteries from wrecked hybrids. If your Prius is totaled by hail damage or a fender bender with an SUV, don’t let a savvy scrap dealer take advantage of you by “taking the wreckage off your hands”.
2) The resale price of hybrids is falling in line with the resale price of the non-hybrid versions. Due to uncertainty over the value of hybrid batteries (and the cost of upcoming replacement), there may be some real deals out there if you can find hybrids with cosmetic wear but value under the hood.

So, Caveat Emptor! When shopping for a used hybrid, it might be a good idea to pay for a diagnostic evaluation of the battery pack. And, if you’re one of those Prius, Insight, or other hybrid drivers who I’m jealous of, here are a few rechargeable battery tips that you can use to get the most mileage from your battery pack before it needs replacing. One way to put these battery saving tips into practice is with a trickle charger that keeps the battery above 50% of charge without overheating it.


Photo courtesy of garyhymes at Flickr.com.

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