Indian engineering major Larsen & Toubro (<a href="https://www.bseindia.com/stock-share-price/larsen--toubro-ltd/lt/500510/" target="_blank">BOM:500510</a>), or L&T, and Belgian mechanical engineering company John Cockerill have signed a memorandum of understanding (MoU) to pursue collaboration opportunities in concentrated solar power (CSP) and thermal energy storage (TES) technologies.