To give operators more time to organise fleets and install retrofit technology to older machinery, the GLA has opted to take a lenient approach for the first 6 months.

"After an initial six-month introductory period focusing on education and awareness raising, should a site not meet the emissions standards required, its managers will be in breach of their planning requirements as imposed by the relevant borough. Penalties could include a delay to the final completion of a project which could have an implied financial cost for the company concerned".

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