This paper highlights the system requirements and operating conditions of automatic air recirculation valves and reviews compatibility of existing calculator types with these requirements. When ...

Have you ever been sitting there staring at the climate control panel in your car, and wondered about that interesting little button with a car and an arrow gracefully swirling around inside it? You ...

It's a button you can find on the dashboard of just about any car - but not all motorists are aware that it can make driving in summer a lot more bearable and save them money at the same time. The air ...