Side-by-side comparisons of equipment types, fuels and technologies.
Alternator vs generator explained simply: how each makes electricity, why cars switched, what is inside a portable generator, and how to test one.
Read GuideElectric pressure washers are quiet, light and nearly maintenance-free. Gas models clean faster and go anywhere. How they compare and which one suits your…
Inverter generators are quieter, lighter and cleaner. Conventional generators give more watts for the money. Here is how they differ and which fits each…
Standby generators start themselves and run the whole house; portables cost a fraction as much but need you to set them up. A clear…
Diesel generators run longer on less fuel and are built for heavy duty; gasoline generators are cheaper, lighter and easier to find. Which suits…
Spark versus compression, torque versus revs, fuel economy versus price. How gasoline and diesel engines differ in practice and which one belongs in which…
Transfer pumps move clean water fast and under pressure; trash pumps swallow leaves, gravel and mud. How the two designs differ and how to…
Two-stage compressors reach higher pressure, run cooler and work all day; single-stage compressors cost less and suit intermittent use. How to tell which your…
