
John
Hi there,
I'm just wondering if anybody would know of a way of determining the probability of an event.
I trying to figure out how I could calculate the probability of a charging station for an electric car being available when a person arrives at their destination.
I have the travel data for cars in terms of the number of journeys, journey start and end times and dates etc.
Say there is 50,000 charging stations in a country also.
Is there anyway of working out a rough estimate of this?
Thank you
John
Answer
Since electric cars can charge from regular electric outlets - in addition to charging stations - I think the odds of an electric outlet being available just about anywhere are pretty good.
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As for the mathematics of figuring the average availability of charging stations - the challenge is that charging stations are not evenly distributed geographically. If a given state has 200 charging stations, they are likely to all be concentrated in a few urban areas.
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The real solution is to examine a map of charging stations before traveling, like this one:
http://www.chargepoint.net/find-stations.php
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Also some electric cars - like the Leaf - have charging locations in their GPS map database, so the car can direct you to one if you need it.
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I'm an old EV hobbyist, we've been driving electric cars since before there were charging stations. If you are a nice person, and offer to do business with a store or restaurant, you can usually work out permission to charge from an outdoor outlet (most buildings have one somewhere.)
Since electric cars can charge from regular electric outlets - in addition to charging stations - I think the odds of an electric outlet being available just about anywhere are pretty good.
*
As for the mathematics of figuring the average availability of charging stations - the challenge is that charging stations are not evenly distributed geographically. If a given state has 200 charging stations, they are likely to all be concentrated in a few urban areas.
*
The real solution is to examine a map of charging stations before traveling, like this one:
http://www.chargepoint.net/find-stations.php
*
Also some electric cars - like the Leaf - have charging locations in their GPS map database, so the car can direct you to one if you need it.
*
I'm an old EV hobbyist, we've been driving electric cars since before there were charging stations. If you are a nice person, and offer to do business with a store or restaurant, you can usually work out permission to charge from an outdoor outlet (most buildings have one somewhere.)
electric cars?

lizzymcghe
hey everybody do u think its a good idea to have electric car?and how much do they cost? are they over twenty grand?do you still have to put gas in thoes cars?
Answer
Electric cars are great. They're much friendlier for the environment than gas cars. Right now the best available is the ZAP Xebra:
http://www.zapworld.com/electric-vehicles/electric-cars/xebra-sedan
But there are many really nice EVs set to come out soon.
Available in California in October 2008, the Aptera typ-1e will cost about $27,000 with a top speed of 95 mph and range of 120 miles per charge.
http://www.aptera.com/details.php
Soon thereafter Aptera will introduce the typ-1h, a plug-in hybrid version of the typ-1e with a 40-60 mile range on purely electrical energy, and a range of over 600 miles total when in electric/gas hybrid mode, for around $30,000. On a 120 mile trip, the typ-1h will get 300 miles per gallon. The shorter the trip, the higher the efficiency.
http://www.aptera.com/details.php
Available in 2009, the ZAP Alias will cost $30,000, have a top speed of 100 mph, and a range of 100 miles per charge.
http://zapworld.com/electric-vehicles/electric-cars/zap-alias
Soon thereafter the ZAP-X will be available at a cost of $60,000 with a top speed of 155 mph and a range of 350 miles per charge.
http://zapworld.com/electric-vehicles/electric-cars/zap-x
Available in 2009, the Miles Javlon will cost $30,000 with a top speed of 80 mph and a range of 120 miles per charge.
http://www.milesev.com/
Phoenix Motorcars will start selling their SUT to individuals in 2009. It will cost $45,000 and have a top speed of 100 mph with a range of 100+ miles per charge.
http://phoenixmotorcars.com/
Available in 2009, the cityZENN will have a 250 mile range and 80 mph top speed. The price has not yet been set.
http://greenhome.huddler.com/products/zenn-motors-cityzenn-ev
Electric cars are great. They're much friendlier for the environment than gas cars. Right now the best available is the ZAP Xebra:
http://www.zapworld.com/electric-vehicles/electric-cars/xebra-sedan
But there are many really nice EVs set to come out soon.
Available in California in October 2008, the Aptera typ-1e will cost about $27,000 with a top speed of 95 mph and range of 120 miles per charge.
http://www.aptera.com/details.php
Soon thereafter Aptera will introduce the typ-1h, a plug-in hybrid version of the typ-1e with a 40-60 mile range on purely electrical energy, and a range of over 600 miles total when in electric/gas hybrid mode, for around $30,000. On a 120 mile trip, the typ-1h will get 300 miles per gallon. The shorter the trip, the higher the efficiency.
http://www.aptera.com/details.php
Available in 2009, the ZAP Alias will cost $30,000, have a top speed of 100 mph, and a range of 100 miles per charge.
http://zapworld.com/electric-vehicles/electric-cars/zap-alias
Soon thereafter the ZAP-X will be available at a cost of $60,000 with a top speed of 155 mph and a range of 350 miles per charge.
http://zapworld.com/electric-vehicles/electric-cars/zap-x
Available in 2009, the Miles Javlon will cost $30,000 with a top speed of 80 mph and a range of 120 miles per charge.
http://www.milesev.com/
Phoenix Motorcars will start selling their SUT to individuals in 2009. It will cost $45,000 and have a top speed of 100 mph with a range of 100+ miles per charge.
http://phoenixmotorcars.com/
Available in 2009, the cityZENN will have a 250 mile range and 80 mph top speed. The price has not yet been set.
http://greenhome.huddler.com/products/zenn-motors-cityzenn-ev
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