Castrol, a British oil company that markets industrial and automotive lubricants, agreed to invest $50m in Gogoro, a Taiwanese company that developed a battery-swapping refueling platform for urban electric two-wheel scooters, mopeds and motorcycles. "Two-wheelers are a critical part of our global product portfolio and as our customers transition to electric two-wheelers the Castrol brand has an important role to play in the eco-system," Michelle Jou, Castrol CEO.