The draft Directive is one of three which will curb evaporative emissions of VOCs along the petrol chain. The rules form part of the EC's strategy to reduce low-level ozone pollution.
The first Directive was adopted last year. From the beginning of 1993, it will require all new cars to be fitted with small carbon canisters to capture petrol vapours from fuel tanks and various sources within the engine.
The second, the current proposa