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07Jul

As time goes on, Auxiliary Power Units (APUs) continue to play a larger role in the over the road trucking industry. Idle laws that vary state by state are placing restrictions on drivers across the nation. Because overnight idling to run the OEM AC system is now illegal in many places, the installation of an APU is required. Diesel APUs are the most popular solution to these restrictions, as they can provide heat, air conditioning, battery charging, coolant warming, and electrical power capabilities to drivers. These units are powered by small diesel engines, which can be run for extended periods of time while drivers are resting.

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06Jun

June is hybrid month at MACS, and since we looked at the overall industry last month when it comes to its use of R-1234yf refrigerant, let’s take a closer look…

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05May

Hi everyone, and welcome to another MACS Live Chat, hosted by Steve Schaeber, manager of service training and technical editor for MACS publications like ACtion Magazine and the MSR (MACS…

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05May

By Neal Kwort, MACS Technical Correspondent   As you know, engines have to be warm to run efficiently for drivability, emissions and fuel economy. But why is this necessary? It’s…

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05May

By Angie Chabot, AAM Do you use voice-enabled commands on your phone? Do you have a smart device in your home? According to the latest editions of NPR and Edison’s…

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05May

By Steve Schaeber February 7th was Media Day at the Philadelphia Auto Show, which is a great opportunity for MACS to find out what’s going on with new model vehicle…

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04Apr

April 28, 2020 (Lansdale, PA) The Mobile Air Conditioning Society (MACS) Worldwide has sent a letter to the United States Environmental Protection Agency (EPA), Center for Disease Control (CDC) and…

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04Apr

By Aaron Canada, Engineering Coordinator, Keihin North America Inc. Many people say they love the smell of a new car. Buying one can be very exciting for multiple reasons. For…

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04Apr

…and DO SOMETHING ABOUT IT! By Elvis Hoffpauir C.O.O. MACS Worldwide That was the principal message from Peter Meier, Director of Training at Motor Age. Peter, along with MACS Technical…

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04Apr

By Bill Snow, Radair Complete Car Care, Cleveland, OH With today’s concern about being exposed to COVID-19 shop owners need to take additional steps to protect their team members and…

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03Mar

Have you ever heard someone say, “When it begins ticking, that’s when I know to add oil?” When we’re asked to change oil and filter, it seems so routine. Car…

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01Jan

Eugene Dianetti of Parker Hannifin and Mike Milliman of SMP Four Seasons will explain everything you ever wanted to know about expansion valves and how they work, what superheat is,…

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