Knowledge Center

PetroleumTrading Insights

Guides and explainers on FOB/CIF trading, storage, logistics, and documentation — from the team that handles them every day.

Storage & Terminals

What Is a Tank Storage Agreement? A Clause-by-Clause Guide

Fees, minimum stay, quality liability, and loss allowances — what a Tank Storage Agreement actually says, clause by clause.

Quality Assurance

How SGS Inspection Works in Petroleum Trading

Sampling, draft surveys, and lab testing — how independent inspectors like SGS verify quantity and quality on a petroleum cargo, and why it matters to your bank.

Logistics

Pipeline Transfer Explained: How Product Moves Without a Ship

Batching, metering, and custody transfer — how pipeline networks move petroleum product between terminals without a single barrel touching a ship.

Logistics

Marine Fuel Explained: IFO, VLSFO, and IMO 2020

A practical guide to marine fuel grades, the IMO 2020 sulphur cap, and how bunkering actually works at a major port.

Products & Specifications

EN590 Diesel Specifications Explained

Sulphur content, cetane number, CFPP, and biodiesel blend limits — a parameter-by-parameter guide to what EN590 actually specifies and why.

Ready to Trade

StartTrading withTCO.

Connect with our trading desk. We respond within 24 hours with FOB pricing, availability, and delivery schedules from your nearest port.