IAN

1) International Article Numbering. See EAN.

I

1) Nationality symbol for Italy - to be shown on the rear of vehicles from that country.

Hybrid engines

1) Vehicle engines powered by a combination of conventional fuels (eg petrol and diesel) and electric motor (thus diesel/electric engines). Both Cummins Engine Co and General Motors in the US are developing hybrid-powered trucks and buses principally to achieve lower levels of fuel consumption and pollutant emissions.

Human rights

1) Human Rights Act came into effect in the UK in October 2000 introducing provisions giving rights to free elections; liberty and a fair trial; respect for private and family life; freedom of thought, conscience and religion, of expression and of assembly, association and to join a trade union and prohibition against discrimination.

Hub reduction

1) System of gearing in hub of heavy goods vehicle to reduce stress on crown wheel and pinion in differential and on half (ie drive)-shafts. Especially used on vehicles subjected to arduous conditions (tippers on site work, etc).

HSWA, 1974

1) Abbreviated title for the Health and Safety at Work, etc Act 1974 (see above).