Having a car unlocks the seemingly endless freedom of the open road — and the inevitability that something will eventually leave you stranded on the side of it, wishing you had an emergency car ...

these compact devices can jump-start your car wherever you are and provide emergency power on the go—without jumper cables or a second vehicle. Designed with safety in mind, these devices are ...

The idea is for your car to be "a rolling power supply," she says ... tank of gas in her car to ensure she can use her car in an emergency. When power gets restored after an outage, electricity ...