This measure to protect public health from sulphur oxide emissions led to the oil industry developing a wide range of very low sulphur fuel oils (VLSFOs). “The dolphins, whales and porpoises that died – it’s still not been explained whether it was caused by sulphur fuel. “Any petroleum-based fuel oil has potential safety risks. “Knowledge about this spill could help us inform how things may play out in Mauritius,” Reddy told Climate Home News. Based on experience, it changed a little [compared to] the spilled fuel oil.” Reddy told Climate Home News.