# Internal combustion engines and gensets and Mechanical power transmission

Their prices have moved together.

Source page: https://www.materialinsights.org/links/internal-combustion-engines-and-gensets-and-mechanical-power-transmission/

[Internal combustion engines and gensets](https://www.materialinsights.org/energy/e_engines/) (energy) and [Mechanical power transmission](https://www.materialinsights.org/energy/e_mechanical_transmission/) (energy): 1 relationship.

## How they are linked

### 1. Price link: paired equipment

*Cost and price · Strong · Both ways*

Engines drive generators, pumps and vehicles through gearboxes and couplings. The engines index correlates at 0.34 for monthly moves and 0.79 for yearly moves, as both are machinery priced by similar makers to similar buyers.

- **0.34** monthly change correlation
- **0.79** 12-month change correlation
- **2.06** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.