Fuel Anomaly & Theft Detection

The Fuel Anomaly & Theft Detection report compares how much fuel each vehicle should have used with how much it actually consumed, flags the statistical outliers, and puts a currency figure on the unexplained loss. It is built for fleet managers investigating suspected fuel theft or leaks.

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Shows: The Fuel Anomaly & Theft Detection report with expected vs actual consumption, the unexplained variance and its cost, and the list of anomalous vehicles and unverified fills.

Alt text: AVLView Fuel Anomaly and Theft Detection report showing expected versus actual fuel use, unexplained variance and flagged anomalous vehicles.

What the report shows

Expected consumption is reconciled against actual usage, so genuine variance rises to the top instead of hiding in fleet-wide averages.

• Total Consumed — the actual fuel used across the fleet in the period.
• Expected — the fuel the fleet should have used, modelled from distance and normal consumption.
• Unexplained Variance — the gap between actual and expected fuel that has no legitimate explanation.
• Variance Cost — the currency value of that unexplained variance, your exposure to loss.
• Anomalous Vehicles — the vehicles whose consumption is a statistical outlier and warrant investigation.
• Unverified Fills — fuel fills that could not be matched to a legitimate refuelling event.

How to run it

1. Open Reports and choose the Fuel & Cost category (or search “fuel theft”).
2. Select Fuel Anomaly & Theft Detection.
3. Set the date range you want.
4. Click View to see it on screen, or Download for a PDF or Excel copy.

Schedule it

Open the Scheduled tab to have this report emailed to you weekly or monthly, so unexplained fuel loss is caught early rather than discovered at the end of the quarter.

Frequently asked questions

How does the report decide a vehicle is anomalous?

It compares each vehicle’s consumption against the expected figure for its distance and normal usage, then flags the ones that fall outside the statistical norm. That keeps your attention on genuine outliers, not everyday variation.

What counts as an unverified fill?

An unverified fill is a rise in tank level that cannot be matched to a legitimate refuelling event, which can point to tampering or missing paperwork worth investigating.

Related reports

• Idle Time Ranking
• Fleet Cost Per Kilometre
• Fleet P&L Summary