Website review: 100 MPG Prius Coming in July (Just ...
SVOboy discovered this in Science/Tech
•3 reviews since Apr 27, 2008
science, prius
•ecogeek.org/content/view/1582/
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SVOboy discovered 3 months ago- From the page: "Hymotion, a division of advanced battery maker A123Systems just emailed us to tell us that they're finally commercializing their plug-in Prius conversion module. The Hymotion L5 battery pack can be installed into any 2004-2008 Prius for just $10,000, giving it a fuel economy of more than 100 miles per gallon while the charge lasts (30 to 40 miles.) If you want to get a plug-in Prius straight from Toyota, you're going to have to wait at least three years...probably more."
- LafnLion rated 3 months ago
- An aftermarket company called Hymotion has developed a modification for the Prius that gives it a plug-in option, raising gas mileage to 100 mpg. The cost is a steep $10K, but apparently Toyota won't get around to making plug-ins at the factory for three more years. So what is the savings over an ordinary Prius from installing this? Given that an ordinary Prius has an EPA rating of 48 MPG, and probably actually makes about 45 on average, that gives the plug-in version an additional 55 miles per gallon of gas. Factoring in a cost of gas of $4 (which may be a conservative estimate), and a cost of electricity to replace a gallon of gas at $1, for a net cost of energy of $3 per gallon, and that the average driver will put 12,000 miles on their car per year, a regular Prius would use 267 gallons of fuel per year, and a plug-in 120 gallons per year, for a savings of ((267-120)*($4-$1))=$440. So it would take $10,000/$440 = 22 years for the plug-in upgrade to pay for itself. If you double the expected cost of gas to $8 per gallon, it still takes almost 10 years. The plug-in upgrade isn't worth it. It only seems to start making sense at about the $2500 level. However, another consideration is that if gas prices keep rising, the plug-in Prius will depreciate much more slowly than the ordinary Prius.
- ecogeek rated 3 months ago
- Advanced battery maker A123Systems wants to supercharge your Prius with an advanced battery pack. You'll get 100 mpg as long as the batteries stay charged. The problem...it costs about $10,000
