The move was an acknowledgement that the current system, where hybrid cars enter the zone for free, has been outpaced by developments in lower emission conventional diesel and petrol engine cars.
The Arab Spring occurred at a moment when economic development had outpaced political development in much of the region; ossified political systems no longer satisfied a population yearning for modern freedoms.
Rapid urban growth in developing countries has outpaced the development of health infrastructure, including trauma centers, leading to potential delays in trauma care.
Despite the remarkable achievements in development of anti-retroviral therapies against HIV, and the recent advances in new prevention technologies, the rate of new HIV infections continue to outpace efforts on HIV prevention and control.
The speed of technology is outpacing the development of stronger privacy-protection laws.
The significant, rapid growth in interest regarding global health at US medical schools seems at present to be outpacing the development of standardized curricula.
The inventory of apartments that might be of interest to the world's wealthiest people has been thin of late, with demand from a growing pool of foreign billionaires eager to park their money in Manhattan outpacing new developments, especially downtown.
Excitement about 3D printing has steadily accelerated over the past decade — but this excitement has largely outpaced innovation and development in the field.
Senator Carl Levin, the chairman of the Senate Armed Services Committee, said the new command "warrants careful scrutiny," because "capabilities to operate in cyberspace have outpaced the development of policy, law and precedent".
Although, the development of the hardware to measure light in the human body has outpaced the development of specific probes that report on cellular events.
Growth in energy consumption far outpaces growth in GDP in all sectors, except perhaps for transport.
