Electric vehicles typically have a driving range of 100 miles, compared to 300 miles for gasoline vehicles. Some hybrid vehicles, such as the Chevy Volt, have fuel reserves which take over for the electric energy after a certain amount of depletion. The range in an electric car may become limited by city driving, cold weather and driving at fast speeds because more energy is needed. An electric vehicle user can adopt some tricks and habits to extend the range. Some electric car manufacturers are also including features to offset the problem of limited range, such as energy gauges and GPS systems indicating the nearest recharging site.
To address the question of “Why” is the range limited, the range is directly proportional to the amount of energy that can be stored in the electric battery. Aggressive research is in progress to address that issue so as to extend ranges.
Most electric car batteries rely on the rare-earth element lanthanum, as well as lithium.
The problem with using batteries as a power source is that draining a lot of power fast (i.e. accelerating hard) uses power exponentially faster than maintaining speed. For this reason Nissan has said that some people are not used to driving smoothly and efficiently may find they get less than 100 miles to a charge, and people who have already been trying to get better mpg might get more than 100 miles to a charge.
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