9 Electronic control units for use in a compressed natural gas and liquid fuel blending systems used in combination with combustible engines and compression ignition engines for machines, land vehicles, locomotives, and ships; Components and parts for use in a compressed natural gas and liquid fuel blending systems used in combination with combustible engines and compression ignition engines for machines, land vehicles, locomotives, and ships and for use in exhaust treatment devices used on combustible engines and compression ignition engines for machines, land vehicles, locomotives, and ships, namely, satellite transceivers, transmitters and receivers for receiving on-board satellite communications, downloadable electronic maps and computer software mapping programs; Components and parts for use in a compressed natural gas and liquid fuel blending systems used in combination with combustible engines and compression ignition engines for machines, land vehicles, locomotives, and ships and for use in exhaust treatment devices used on combustible engines and compression ignition engines for machines, land vehicles, locomotives, and ships, namely, vehicle tracking devices comprised of cellular radio modules, computer software and computer hardware, sensors, transmitters, receivers and global positioning satellite receivers, all for use in connection with vehicle tracking and vehicle monitoring; Components and parts for use in a compressed natural gas and liquid fuel blending systems used in combination with combustible engines and compression ignition engines for machines, land vehicles, locomotives, and ships, namely, satellite communications equipment in the nature of satellite transmitters, satellite receivers, and satellite transceivers, batteries, battery chargers, downloadable electronic maps and mapping programs; Components and parts for use in exhaust treatment devices used on combustible engines and compression ignition engines for machines, land vehicles, locomotives, and ships, namely, exhaust sensors, temperature sensors