Petrol station fires are very rare and nearly all are caused by sparks from static electricity igniting petrol vapour. This requires just the right mix of air and vapour, which is much less likely to occur now that pumps have vapour-recovery systems installed

The fear is that the electromagnetic (EM) radiation from a mobile phone could impart enough energy to ignite petrol vapour directly or that it could induce currents in nearby metal objects and...

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