Energy Transition & Sustainable InnovationHelion Hits Fusion Milestones, Speeds Commercial PathBusiness WireFebruary 16, 2026February 18, 2026 by Business WireFebruary 16, 2026February 18, 2026020 Polaris becomes first privately funded fusion energy machine to operate with deuterium-tritium fuel, sets record with plasma temperatures of 150 million degrees Celsius Helion, a...