Pump-displacement volume is typically determined by gear size. The oil pumps below (left to right) represent two different displacements, as noted by the case size. For high-performance work, a steel ...

Heat pumps are growing in popularity, with more and more people choosing them over oil or gas heating systems. Although they have higher installation costs than conventional fossil fuel heating ...

An engine's oil pump dispenses the pressurized lubricant that prevents opposing surfaces from contacting one another, carries heat away from certain areas, and maintains minimal valvetrain lash when ...

Heat pumps could become cheaper and easier to install in future as the government has awarded more than £15m in funding for innovation projects. It wants the pumps to cost the same as fossil fuel ...