The Shell station at 4357 W. Belmont Ave., near Kostner, will be giving out gas for less than $2 a gallon as part of a limited-time promotion.A Chicago gas station will offer gas for just $1.99 per gallon for several hours Tuesday. The Shell station at 4357 W. Belmont Ave., near Kostner, will be giving out gas for less than $2 a gallon as part of a limited-time promotion. The discount will be available from 9:30 a.m. to 2 p.m. It's part of a promotional partnership with T-Mobile, the company said. The location will undergo a makeover before the deal...