Regular readers of Hackaday will know that the projects we feature are generally of the high-tech variety. Microcontrollers, 3D printed parts, embedded Linux, lots of wires, that sort of thing. But ...

A new product from Algae-X International is said to remove sludge and water from smaller diesel engines, such as those found on trucks, generators and farm equipment, while optimizing fuel quality.

Dear Tom and Ray: You recently answered a question about whether it's harmful to let your gas tank run down to empty. You said it's not harmful to the car, and it won't cause any damage. Eric Peters, ...