Add Yahoo as a preferred source to see more of our stories on Google. Photo credit: Car and Driver An EV's range depends on the size of its battery. There are two metrics for describing battery ...

A solar generator’s capacity is measured in watt-hours, and it can give you an idea of how long you can power devices. Higher-powered devices eat up more capacity, thus draining the battery faster.

Most hybrids (HEVs) are generally about efficiency and extended driving ranges, but automotive companies such as Toyota have started to tackle all sides, such as performance and towing. Toyota is one ...