# Aluminium and Internal combustion engines and gensets

Their prices have moved together.

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

[Aluminium](https://www.materialinsights.org/commodities/aluminum/) (commodity) and [Internal combustion engines and gensets](https://www.materialinsights.org/energy/e_engines/) (energy): 1 relationship.

## How they are linked

### 1. Price link: main material

*Cost and price · Weak · Both ways*

Cylinder heads and many car engine blocks are cast aluminium to save weight. The link is faint in the data, with monthly moves over the last five years correlating at 0.16, since metal is a modest share of a finished engine and makers reprice only occasionally.

- **0.09** monthly change correlation
- **-0.12** 12-month change correlation
- **0.17** fitted elasticity

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