Can a vehicle with a foreign registration plate be issued an official Spanish DGT environmental sticker?
A)No, you cannot obtain a Spanish environmental sticker for a foreign-registered car, but you can drive using your own country's sticker if it comes from a nation with an recognized equivalent system (like France or Germany).Correct
B)Yes, any foreign vehicle can buy a Spanish sticker at a local post office by showing their foreign registration papers.
C)No, foreign vehicles are completely exempt from all environmental rules and do not need any form of sticker or equivalence.
The text explicitly states "No" to obtaining a Spanish sticker for a foreign vehicle. However, it notes that if the car is from a country with an environmental classification system (such as Germany, Austria, Denmark, or France), you can use the equivalence system to drive legally with your original sticker.