Whether you're a professional shop mechanic or just changing your own oil at home, a trustworthy floor jack is a must-have tool. Harbor Freight has lots of useful items for working on cars, including ...

Gas pumps have been around long before "smart" technology. So how are they able to detect when your tank is full?

Add Yahoo as a preferred source to see more of our stories on Google. Air source heat pumps use electricity and energy from the air to produce heating and hot water (Alamy/PA) Heat pumps are often ...