# Compressed-air and CO2 storage and Mechanical power transmission

Their prices have moved together.

Source page: https://www.materialinsights.org/links/compressed-air-and-co2-storage-and-mechanical-power-transmission/

[Compressed-air and CO2 storage](https://www.materialinsights.org/energy/e_caes/) (energy) and [Mechanical power transmission](https://www.materialinsights.org/energy/e_mechanical_transmission/) (energy): 1 relationship.

## How they are linked

### 1. Price link: shared machinery

*Cost and price · Strong · Both ways*

Compressors and gearboxes are made by similar machinery firms and follow the same industrial cycle. The two indices correlate at 0.41 for monthly moves and 0.91 for yearly moves, a common driver rather than a direct input.

- **0.41** monthly change correlation
- **0.91** 12-month change correlation
- **1.30** fitted elasticity

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