ioneer (ASX: INR) managing director Bernard Rowe joins Small Caps to discuss the company's path to becoming the world's lowest cost lithium producer from its Rhyolite lithium-boron project in the United States. A definitive feasibility study indicates Rhyolite Ridge will be a globally significant, low-cost lithium source. In advancing Rhyolite Ridge, ioneer recently awarded Veolia Water Technologies the project's engineering, equipment and supply contract.