How Mechanical Degradation Quietly Increases Fleet Fuel Costs

Research · Fleet Intelligence The Hidden Fuel Cost of Mechanical Degradation Questar research shows how aftertreatment system health directly impacts fuel consumption — and translates that impact into measurable operating cost. Questar Research Team · May 2026 · 6 min read Every fleet manager knows that a poorly maintained vehicle costs more to operate. But […]

How Questar Uses AI to Keep Fleets Healthier, Longer

Why AI in Vehicle Health Monitoring? Modern vehicles generate an enormous amount of data every second. Most of them are repetitive or not very informative but hidden within are subtle signals that can indicate the early stages of a m-echanical problem. The challenge is that these signals are often buried under noise, appear inconsistently, and […]

AI in the Driver’s Seat: Questar’s Secret to Healthier Fleets

Just because modern fleets are connected, that doesn’t make them smarter. Every vehicle generates a flood of data every second, from engine temperatures to fuel rates and vibration readings. Hidden in that data are early warning signs of mechanical trouble the kind that could prevent costly breakdowns if only you can spot them in time. […]

LLMs Are Supercharging Fleet Efficiency

By Noam Moscovich and Stanislav Barabanov What happens when your fleet starts to think and talk In modern fleet management, numbers alone don’t drive results. When our models generate a vehicle health score — an overall measure of potential issues and the likelihood of mechanical failure , that number is just the beginning. Fleet managers […]