Although hydrogen gas emits only water, it does not naturally exist in its pure form and must be generated from another hydrogen-carrying source – usually methane (CH4) – through a process called steam-methane reforming. Cheap and well-established, this process is also highly polluting, generating 10 tons of greenhouse gases for every ton of hydrogen. Hydrogen…

The numbering system used on foreign nationals’ alien resident certificates (ARCs) changed in January to match that of Taiwanese citizens’ IDs, removing a longstanding hindrance to carrying out everyday activities such as online banking, ticket booking, and registration for medical appointments. Before the change was made, whether an ARC number could be entered successfully online…