Recent blazes involving Tesla Inc. and NIO Inc. cars in Greater China are prompting the industry to take steps to alleviate concerns from potential customers.
The metal touted for its environmental benefits, particularly in the manufacture of lighter cars and trucks, has a big problem with storing its toxic by-products.
Prices of 65% iron-content ore for delivery to China hit a five-year-peak of $110.5 a tonne on Thursday, while its premium to benchmark 62% ore widened to five-month highs.
Specialist materials firm Johnson Matthey forecast a 127,000-ounce platinum shortfall this year, after surpluses of 372,000 and 44,000 ounces in 2018 and 2017 respectively.