---
title: "The Tank That Empties Twice: The Hidden Cost of Fuel in Your Fleet | Clara Reports"
description: "Find out how operational lapses and tax failures turn every refuel into a double loss, and what to do to protect your budget and your tax deductibility."
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lang: "en-MX"
alternate_html: "https://www.clara.com/en-mx/reports/el-tanque-que-se-vacia-dos-veces-el-costo-oculto-del-combustible-en-tu-flota"
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# The Tank That Empties Twice: The Hidden Cost of Fuel in Your Fleet

Find out how operational lapses and tax failures turn every refuel into a double loss, and what to do to protect your budget and your tax deductibility.

![](https://www.clara.com/_astro/assets/6a5921866b01abc3087c06a5_Prancheta-1-100.e3e1bf2c.2380w.webp)

### **Why is this content essential for your company?**

Fuel can account for around **30% of the operating costs of a commercial fleet** and exceed **45% in specialized trucking**. It is one of the most important expenses in the operation, but also one of the hardest to control.

In this whitepaper we analyze the operating, tax and financial cost of fuel for companies with fleets in Mexico. With data, concrete scenarios and practical recommendations, you will be able to identify the leaks that do not appear in your reports today and assess how prepared your operation is for current demands.

### **What will you discover in this whitepaper?**

- **How small-scale fuel theft works:** How small, unauthorized charges can add up to monthly losses of thousands of pesos.
- **Keys to protecting tax deductibility:** What to consider regarding the payment method, the CFDI and accounting records to reduce the risk of losing deductions.
- **The financial cost of an incorrect invoice:** How a 20-vehicle fleet could absorb up to **$648,000 MXN a year in additional taxes**.
- **Why traditional fuel wallets are no longer enough:** The limits of prepaid cards, restricted coverage and disconnected portals, and what to look for in a next-generation fuel solution.

## Explore our research

Strategic guides and data-backed insights for finance leaders in Latin America

- [WhitepaperWhen AI Enters the Cash Flow](https://www.clara.com/en-mx/reports/quando-a-ia-entra-no-caixa)
- [WhitepaperThe Blind Spot of Corporate Travel in Mexico: Why Your Current Insurance May Not Be Enough](https://www.clara.com/en-mx/reports/el-punto-ciego-de-los-viajes-corporativos-en-mexico-por-que-tu-seguro-actual-podria-no-ser-suficiente)
- [WhitepaperThe Invisible Cost of Prepaid Cards: Why Liquidity Is the New ROI in 2026](https://www.clara.com/en-mx/reports/custo-invisivel-pre-pago-liquidez-2026)

## Download the full report

Thanks. You can download the report now.

[Download here](https://www.clara.com/downloads/webflow/695af87260de1349e7cd3934/6a59200eae378e3bde586f20%5FFleet-Whitepaper.pdf)