<Tr> <Td> </Td> <Td> This Section relies too much on references to primary sources . Please improve this Section by adding secondary or tertiary sources . (April 2014) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Td> </Td> <Td> This Section may contain improper references to self - published sources . Please help improve it by removing references to unreliable sources, where they are used inappropriately. (April 2014) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This Section may contain improper references to self - published sources . Please help improve it by removing references to unreliable sources, where they are used inappropriately. (April 2014) (Learn how and when to remove this template message) </Td> </Tr> <Ul> <Li> ISO 14396 specifies the additional and method requirement for determining the power of reciprocating internal combustion engines when presented for an ISO 8178 exhaust emission test . It applies to reciprocating internal combustion engines for land, rail and marine use excluding engines of motor vehicles primarily designed for road use . </Li> <Li> ISO 1585 is an engine net power test code intended for road vehicles . </Li> <Li> ISO 2534 is an engine gross power test code intended for road vehicles . </Li> <Li> ISO 4164 is an engine net power test code intended for mopeds . </Li> <Li> ISO 4106 is an engine net power test code intended for motorcycles . </Li> <Li> ISO 9249 is an engine net power test code intended for earth moving machines . </Li> </Ul>

How much horse power does a horse have