Which environmental badge authorizes a vehicle to drive in an HOV lane, even if the driver is traveling alone?

Question

DentroTest · Accepted Answer

The correct answer is the '0 emissions' badge. According to DGT regulations regarding the use of High Occupancy Vehicle (HOV/VAO) lanes, vehicles classified as '0 emissions' (blue label) are allowed to drive in these lanes regardless of the number of occupants; meaning the driver can be alone.  Why the other options are incorrect: 'ECO, in any case': False. Vehicles with ECO, C, or B labels can generally only enter if they meet the minimum occupancy requirement or if variable message signs explicitly permit it at that time. 'Signal V-26': Incorrect in this context. The V-26 is the badge for 'Shared Vehicle' (Carsharing). While these vehicles have access privileges, the question specifically asks for an 'environmental badge', not a service badge.

Which environmental badge authorizes a vehicle to drive in an HOV lane, even if the driver is traveling alone?

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