This is a sign at a supermarket petrol station.
Pagamento alla cassa means Pay at the cash desk.
Senza piombo means without lead (unleaded). V-power is the more expensive option (like ultra). Diesel is obvious.
Accettiamo tutte le carte di credito means We accept all credit cards.
e bancomat means and debit cards (the little word e is and). Bancomat is also the word used for ATM or cashpoint.
By the way, benzina means petrol.