About
Kevin Buchaly is a Software Project Specialist in the Software Development Department at Geotab, focusing on technology development and software documentation. With a background in chemical engineering, Kevin has written for the Geotab blog on the chemistry of diesel exhaust fluid (DEF) and is interested in automotive software innovation.
Expertise
- Fleet Management Software
- Software Project Management
- Telematics
Education
- The University of Waterloo, Bachelor of Applied Science, Chemical Engineering
What is DEF? How diesel exhaust fluid works and why it's essential for fleets
A nontoxic, colorless liquid, diesel exhaust fluid (DEF) consists of 32.5 percent high-purity urea and 67.5 percent deionized water. Its primary use is in diesel vehicles to help reduce harmful emissions.
July 16, 2025
5 minute read
How to find a vehicle identification number (VIN) [+ tips for decoding]
Learn how to find a vehicle identification number (VIN), decode its hidden details and detect potential issues before they turn into costly problems.
June 11, 2020
4 minute read
Engine light worries? Not me.
Every now and then your vehicle does try to tell you that something seriously bad is about to happen
July 22, 2015
1 minute read