When outside temps skyrocket, air conditioners are a godsend. But if a wall outlet isn't available, can you plug your AC into ...

If I leave my air conditioner off, I get too hot. But if everyone turns on their air conditioner at the same time, electricity demand spikes, which can force power grid operators to activate some ...

But if everyone turns on their air conditioner at the same time, electricity demand spikes, which can force power grid operators to activate some of the most expensive, and dirtiest, power plants.