Nostalgia 懷舊
melancholia 憂鬱症
schizophrenia 精神分裂

a member of the transport trade 運輸業界從業員

the trade = the people who work in a particular business or industry or in the same one (cambridge)

people who work in the trade / member of the trade
(offer sb/ look for /get / undertake) an apprenticeship in the (plumbing/building)  trade

grace period 寬限期

Do you accept allowing no grace period for drivers to leave their engines idle for a while after stopping?

wikipedia

grace

(expect/buy/allow sb)  a few days’ grace

territory-wide

The ban should not be made territory-wide.

I suggest the following selection criteria: …

exempt 豁免

The Government may exempt a particular area from the statutory ban.

I suggest that the criteria for considering exemption should be: …

waive = give up, not to demand sth [formal]

The ban should be waived during summer for the comfort of drivers and passengers.

summon(s)  傳票

If the ban is implemented by fixed penalty system rather than summons, the driver is given an opportunity to discharge his liability to contravention.

contravention 違例事項

pitch

pitch the level of the fine at the same level as illegal parking