(EnergyAsia, June 3, Tuesday) — This question came to mind as I sat through a background briefing on gas-to-liquid fuel at Shell Singapore’s office last month. Check out www.RenewablesReport.Blogspot.com. Liang Kok Siang, general manager for marketing at the Malaysia-based Shell MDS (M) Sdn Bhd, introduced the fuel to a small group of journalists. GTL…