Product prices are expressed in Euro and include all taxes and / or applicable taxes. The price of the product will be listed on the website at time of order. They can not, therefore, detect any increase or decrease in price, even in relation to promotional sales before or after the purchase order. The Customer may pay via paypal credit card by providing the required data that will be managed directly by the banks issuing credit cards. The information will be encrypted through use of encryption systems which prevent their use by third parties. When finished, if the latter is successful, the payment system will send an email to the customer confirming the transaction and Carbon Energized an e-mail for authorization to delivery.