For generations, jeepneys – brightly painted minibuses that are among the Philippines’ cheapest and most used forms of public transport – have run on diesel, but recent fuel shocks are forcing thousands of small operators and drivers to weigh volatile prices against the debt needed to go electric. Diesel prices spiked anew by nearly 5 pesos this week, as renewed tensions in the Gulf threatened to strain the country’s public transport sector, giving new urgency to the uneven shift towards...