Guidance

Using drop-in fuels in combustion plant instead of gas oil: RPS 337

Environment Agency regulatory position on when you can use drop-in fuels in combustion plant that are permitted to use gas oil.

• From: Environment Agency
• Published: 4 July 2025

Applies to England

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Using drop-in fuels in combustion plant in place of gas oil: RPS 337

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This regulatory position statement (RPS) does not change your legal requirement to comply with your environmental permit when you operate a combustion plant to which the Environmental Permitting regulations apply.

However, the Environment Agency will not normally take enforcement action if you do not comply with this legal requirement if you meet the requirements in the RPS.

The regulatory position does not apply to any other legal requirements.

Published 4 July 2025