# Compressed-air and CO2 storage and Electric motors and drives

Their prices have moved together.

Source page: https://www.materialinsights.org/links/compressed-air-and-co2-storage-and-electric-motors-and-drives/

[Compressed-air and CO2 storage](https://www.materialinsights.org/energy/e_caes/) (energy) and [Electric motors and drives](https://www.materialinsights.org/energy/e_motors/) (energy): 1 relationship.

## How they are linked

### 1. Price link: compressor drive

*Cost and price · Strong · Both ways*

Large electric motors drive the compressors. The motors index correlates with the compressor proxy at 0.38 for monthly moves and 0.89 for yearly moves, as both reflect metal and machinery costs.

- **0.38** monthly change correlation
- **0.89** 12-month change correlation
- **1.42** fitted elasticity

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