- #euro #europe #prix #franc #taux Raw materials ? What about gasoline? We hear that if we devalue their prices will rise dramatically, is that true?We hear that if we devalue their prices will rise dramatically, is that true? No, first of all we never use « raw materials » and gasoline is also not crude oil. All the goods that we consume are processed industrially and most of the costs of the products depend precisely on these transformations and these transports, while the value of “raw materials” is generally not very important.