Stories & Insights
Guides, numbers, and life on the road
What idling really costs, how to choose an APU, cold-weather tips, and everything else worth knowing — from the people who build them.
Featured · July 21, 2026
Are APUs Worth It for Owner-Operators? The Honest Math
Are APUs worth it for owner-operators? The honest fuel math, real payback timeline, and how to decide if one fits your operation.
Read the storyJuly 21, 2026
Semi-Truck APUs: The Complete Guide for Drivers and Fleets
A semi-truck APU cuts idling, saves fuel, and keeps your cab comfortable. What one does, what it costs, and how to choose the right unit.
July 20, 2026
Electric APU vs Diesel APU: Which One Belongs on Your Truck?
Electric APUs are quiet and burn nothing while parked. Diesel APUs run all night, every night. An honest comparison from the people who build the diesel kind.
July 18, 2026
How Much Does a Semi-Truck APU Cost? The Honest Breakdown
What a diesel APU really costs: purchase, install, fuel savings, and payback math. The honest breakdown truckers ask for, from Green APU.
April 13, 2026
What Idling Is Really Costing You Every Year
Learn how much idling your semi truck really costs and how a Green APU can cut fuel use, reduce wear, and save you thousands every year.
February 3, 2026
Green APU Partners with Fontaine Modification to Support Fleet Operations
Green APU Partners with Fontaine Modification to Support Fleet Operations | Green APU
December 30, 2025
The True Cost of Idling: Fuel, Engine Wear, and Lost Profits
Idling drains fuel, damages engines, and cuts into profits. See the true cost of idling and why truckers fleets are switching to Green APU.
February 6, 2025
Beat the February Cold with Green APU
Beat winter on the road with a Green APU: steady cab heat without a bunk heater, batteries kept charged, and engine preheat for reliable cold starts.
October 1, 2024
6 Great Things to Know About the Green APU for Fall & Winter
6 Great Things to Know About the Green APU for Fall & Winter | Green APU
September 16, 2024
2024 Trucker Appreciation Week is Here!
National Truck Driver Appreciation Week runs Sept 15-21, 2024. Save $1,000 on an APU plus free food and drink perks at Pilot, Love's, and RaceTrac.
July 1, 2024
6 Reasons Your Employees Will Love Green APU
See 6 reasons your drivers will love a Green APU: in-cab heat, AC, and power for off hours, engine preheat, nationwide parts, and 24/7 support.
April 15, 2024
Three Great Ways Green APU Positively Impacts the Environment
Three Great Ways Green APU Positively Impacts the Environment | Green APU
April 4, 2024
Rally in the 100 Acre Wood Salem & Potosi, Missouri, March 15th & 16th 2024
Rally in the 100 Acre Wood Salem & Potosi, Missouri, March 15th & 16th 2024 | Green APU
April 1, 2024
Nitrocross Las Vegas, Nevada, March 1st & 2nd 2024
Green APU Rally USA driver Patrick Gruszka recaps Nitrocross Las Vegas, the season finale, taking 6th before a crash on a tarmac track he wasn't used to.
January 10, 2024
Best Electronic Gadgets for Your Semi Truck
Six electronic gadgets that make life on the road easier for semi truck drivers, from dash cams and truck GPS units to wireless hotspots and power strips.
January 10, 2024
What is the Best APU for Semi Trucks? 6 Important Things to Consider
What is the Best APU for Semi Trucks? 6 Important Things to Consider | Green APU
January 4, 2024
Nitrocross (Rounds 6 & 7) – December 9th & 10th – San Bernardino, CA
Nitrocross (Rounds 6 & 7) - December 9th & 10th - San Bernardino, CA | Green APU
December 8, 2023
Nitrocross Phoenix – November 10th & 11th 2023
Green APU Rally USA driver Patrick Gruszka recaps Nitrocross Phoenix 2023 at Wild Horse Pass — a first rollover, a 4th-place finish, and lessons learned.
October 31, 2023
Easy Recipes to Cook in Your Truck
Easy recipes for cooking in your semi-truck cab: chili, mac & cheese, breakfast wraps, and air-fryer fries with a crock pot, skillet, or microwave.
October 31, 2023
Use The Green APU to Cook in Your Truck
See how a Green APU powers a slow cooker, electric skillet, microwave, and air fryer so you can cook hot, healthy meals right in your truck.
October 26, 2023
Lake Superior Performance Rally Marquette, MI & L’Anse, MI
Lake Superior Performance Rally Marquette, MI & L’Anse, MI | Green APU
October 6, 2023
The Boone Forest Rally Race
Green APU Rally USA races the inaugural Boone Forest Rally in Kentucky, with driver Patrick Gruszka battling the Daniel Boone forest's rough terrain.
August 24, 2023
Nitrocross Rally Race
Green APU Rally USA driver Patrick Gruszka recaps his first Nitrocross rallycross race in Salt Lake City, taking 3rd place in both rounds.
August 24, 2023
Talking Tires
Green APU Rally USA driver Patrick Gruszka breaks down the Pirelli gravel tires his team runs: compounds, DOT rules, flats, and tire wear each season.
August 24, 2023
What Goes On After a Race?
Green APU Rally USA driver Patrick Gruszka on what happens after a rally race: shop inspections, worn-part repairs, and prepping for the next event.
July 27, 2023
We lost co-driver Erin Kelly at the New England Forest Rally
We lost co-driver Erin Kelly at the New England Forest Rally | Green APU
January 26, 2023
Green APU Signs as Title Sponsor of the American Rally Association
The American Rally Association, the premier stage rally series in the United State, is proud to announce that it has reached an agreement with Green APU to be
November 17, 2022
How an Auxiliary Power Unit Can Keep You Warm This Winter
The difference between a comfortable driving experience and one you’d rather forget often includes the addition or lack of an auxiliary power unit (APU). Try
November 8, 2022
The History of the Green APU Engine
How the Green APU engine evolved across five generations to today's US-built, Kubota-powered Star Edition, plus parts and service for older models.
March 3, 2022
What to Look for in an Auxiliary Power Unit (APU)
The APU (Auxiliary Power Unit) is one of the most important pieces of equipment on a semi-truck.
May 7, 2021
Auxiliary Power Units, a Great Tool for Driver Retention
Green APU's help provide truck drivers with the utmost comfort & reliability. Avoid high driver turnover rates thanks to the benefits of our APU.
November 20, 2020
How to buy GREEN APU parts online?
If you have an auxiliary power unit for your truck, then you know how much value it brings on every trip. But sometimes your truck APU needs little attention.
October 20, 2020
How does our Green APU help logistics companies?
Green APU helps logistics companies with fuel savings, cabin comfort & ensures your engines starts on the coldest days. Learn more about how we can help you!
July 27, 2020
Should I insure my Green Apu Truck?
APU's are an investment. Insuring it can help guarantee you get your in the long run. Learn more about how to ensure your Green APU today!
July 15, 2020
How to Install the Green APU for Truck?
It is recommended that you install your APU for trucks behind the passenger side diesel tank with at least 24-inches of space left along the frame
May 12, 2020
What You Need To Know About Green APU Maintenance and Care?
Truck APUs, under normal circumstances it should run silently in the background, helping make the transportation easier and safer for the passengers.
March 26, 2020
How much can you save with Green APU?
There are many questions as to whether an APU unit can save you money throughout your long journey.
August 5, 2019
How Loud is Our Green APU?
At approximately 61 dBA, Green APU units are slightly more than complete silence when it comes to truck noise. Learn more about the benefits of Green APU's.
April 24, 2019
WHAT IS AN APU FOR A TRUCK?
In short, APU's are a secondary energy source, to power truck heating & cooling systems. Learn more about auxiliary power units today.