The most recent survey shows Logic disposable and rechargeable e-cigs increased market share to account for 24.3 per cent of convenience store e-cigarette volume turnover and 22.9 per cent of sales, the Florida-based company said. Logic retained a nearly 63 per cent unit share in the Northeast and posted increases in other parts of the country to capture the number one ranking despite, “significant product launches,” by competitors, the company said.