# Revision of Threshold Luminance Levels in Tunnels Aiming to Minimize Energy Consumption at No Cost: Methodology and Case Studies

> Research article (Energies, 2020) · cited 39× · AI/ML

**Wikidata**: [openalex:W3014285405](https://www.wikidata.org/wiki/openalex:W3014285405)  
**Source**: https://4ort.xyz/entity/revision-of-threshold-luminance-levels-in-tunnels-aiming-to-minimize-energy-consumption-at-no-cost-methodology-and-case-