PART 2Emission standards and exemptions
Emission standards2.
(a)
a compression ignition engine vehicle is the standard specified for that vehicle in—
(i)
Table 1 in schedule 1 (euro 6 standards for compression ignition engine vehicles), or
(ii)
Table 2 in schedule 1 (euro VI standards for compression ignition engine vehicles),
(b)
a positive ignition engine vehicle is the standard specified for that vehicle in—
(i)
Table 1 in schedule 2 (euro 4 standards for positive ignition engine vehicles), or
(ii)
Table 2 in schedule 2 (euro IV standards for positive ignition engine vehicles),
(c)
mopeds and motorcycles is standard specified for those vehicles in the Table in schedule 3 (euro 3).
Exemptions3.
(1)
For the purpose of section 6(1)(b) (restriction on driving within a zone) of the 2019 Act a vehicle is exempt if—
(a)
it is being driven by any person—
(i)
in the exercise of their duty as a constable,
(ii)
providing a response to an emergency at the request of the Scottish Ambulance Service Board,
(iii)
in the exercise of the functions of—
(aa)
(bb)
the Scottish Fire and Rescue Service,
(cc)
Her Majesty’s Coastguard,
(dd)
the National Crime Agency,
(iv)
for naval, military or air force purposes,
(b)
(c)
a passenger in the vehicle has been issued with a badge under that section of that Act,
(d)
(e)
(f)
(g)
it is a showman’s goods vehicle or a showman’s vehicle,
(h)
it is a vehicle of historical interest.
(2)
In this regulation—
”vehicle of historical interest” means a vehicle which is considered to be of historical interest to the United Kingdom and which—
(a)
was manufactured, or registered, for the first time at least 30 years previously,
(b)
is of a type no longer in production, and
(c)
has been historically preserved or maintained in its original state and has not undergone substantial changes in the technical characteristics of its main components,