Possible Clues:

• Checkout counter option (In this answer, note letters 1, 5 and 9)
• Stig mostly capable racing around though it's not good for the environment
• Checkout choice
• Snap over final talk about cause of environmental damage
• Supermarket option
• Sandwich holder, maybe
• Checkout counter option
• GB capital's altered former supermarket giveaway
• Shopping carrier?
• Shopping carrier