It is clear that due to growing mobility demand and transportation, fossil energy resources will be further exploited, which will lead to scarcity, reflected in increasing prices and, in the end, in limited availability; what remains unclear is the timeline of the development.
It also remains unclear what, if any, timeline the government has negotiated with Citigroup.
The Obama administration has vowed to wind them down, although the timeline remains unclear.
Rahami is alleged to have taken a trip to Afghanistan and Pakistan, according to published reports, though the timeline is unclear.
The timeline remains unclear, and the report cautions that Colombia's security gains are "not irreversible" as long as rebels remain a threat.
Although the Maryland Medical Cannabis Commission previously said it hoped the product would hit shelves by summer, the timeline is unclear, with various hurdles threatening delays.
It's unclear how long that timeline will be, although the United States and China, the world's two largest emitters, have pledged to move swiftly.
It's unclear how the changing timeline in Britain will affect US military maneuvers: UK sources indicated that the US, which had planned to launch the strikes by the weekend, is prepared to revive a back-up plan to delay the strikes until Tuesday when Barack Obama is due to set out for the G20 summit in Russia.
After that, the timeline is unclear.
Yelp: Online reviews and daily deals giant Yelp has its sights set on an IPO, but the timeline is unclear.
