More efficient Cars
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Transcript of More efficient Cars
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Dr. Ron Lembke
MORE EFFICIENT CARS
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MORE EFFICIENT CARS
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Hybrid: Toyota Prius, Honda Insight, Ford Fusion, Chevy Tahoe Mainly gasoline drivetrain, some use of electric drivetrain
Plug-In Hybrid: Chevy Volt Electric powertrain, gas backup generator
Electric Car: Nissan Leaf, Tesla Roadster Electric powertrain, batteries only
HYBRIDS VS. PLUG-INS
Leaf: $35,000 Tesla: $109,000
Volt: $39,145
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FUEL CELL
Larry Burns
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Aka Suzuki Swift, Cultus
EPA 55/60 mpg
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2011 EPA MILEAGE CHAMPTOYOTA PRIUS
MRSP $23,810
HybridMPG 50Gas 300.0Fuel/yr $1,200Fuel/mo $100
Assume mi/yr 15,000Fuel Price / gallon $4.00
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CAMRY HYBRID
Jan 20
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Apr 2
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Jul 20
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Oct 20
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Dec 200
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Mar 200
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Jun 20
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Sep 20
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Dec 200
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Mar 200
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Jun 20
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Dec 200
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Mar 201
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Jun 20
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Sep 20
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Mar 201
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Jun 20
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Sep 20
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Dec 201
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Mar 201
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0.5
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Regular HybridBase MSRP 20,580 27,435MPG 26 33% fuel reduction 21%Gas 576.9 454.5
Price/ gallon 4.00$ 5.00$ $ saved/yr 490$ 612$ Breakeven yrs 14.0 11.2
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GREEN SUVS? ISN’T THAT AN OXYMORON?
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2011 MSRP Info from cars.com
Regular HybridBase MSRP 42,580 54,490MPG 17 21% fuel reduction 19%Gal/yr 882.4 714.3
Price/ gal 4.00$ 5.00$ $ saved/yr 672$ 840$ Breakeven yrs 17.7 14.2
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Regular HybridBase MSRP 32,515 38,340MPG 14 21% fuel reduction 33%Gas 1071.4 714.3
Price/ gallon 4.00$ 5.00$ $ saved/yr 1,429$ 1,786$ Breakeven yrs 4.1 3.3
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$0.10/kwh - May 9, 2012 submitted to Public Utilities Commission PG&E proposed new rates for charging electric cars at night
Driving a Nissan Leaf (or similarly efficient electric car)
$1.00 gallon equivalent in a 30 mpg gasoline car
ELECTRIC CARS = $1/GALLON?
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Suppose 40 miles a day = 14,600 / yrVolt = 35kwh / 100 mi,
5,110 kwh, 0 gal. gasoline Where does the electricity come from? NV Energy, 0.66 kg of CO2 per kwh 3,773kg of CO2 per year
Prius Mpg = 51 14,600 /51 = 286 gal 8.8 kg CO2 / gallon of gas 2,516 kg CO2 per year
ELECTRIC = GREEN, RIGHT?
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4kw system in Reno would yield 6,135 kwh Upfront cost $30,000 With rebates $16,000 Lease cost of $110
COST OF PV?
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If that’s correct:Me: 18,000 miles per yearChevy Traverse 19 mpg avg
=947 gallons of gas @ $4/gal = $3,789/yr
Leaf would cost me $947 / year = $2,842 savings/yr
Can’t pull a trailer, though.
$1/ GALLON?
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There are fuel-saving vehicles that save enough fuel, and come at a low enough premium, to pay back very quickly But there are lots of vehicles that don’t But that’s not the only reason people buy them
If: price of gasoline goes up, and electricity stays affordable, and Electric cars get better range They might get a lot more attractive
SUMMARY