The oil industry must brace for five energy "tsunamis" that threaten to drag prices as low as $10 a barrel in less than a decade, according to The falling cost of solar power and battery storage, rising sales of electric vehicles, increasingly "smart" buildings and cheap hydrogen will all weigh on crude, Thierry Lepercq, head of research, technology and innovation at the French energy company, said in an interview. "Even if oil demand continues to climb until 2025, its price could drop to $10 if markets anticipate a significant fall in demand," Lepercq said at his office near Paris.