London was one of the earliest major users of low-floor buses. From 2000, the mainstay of fleet, double-decker buses, were augmented with a fleet of articulated buses, rising to a peak fleet size of 393 Mercedes-Benz Citaros.
If you combine calorie intake with four or five exercise sessions a week, then a 1200 calories-a-day eating plan will help you reach your weight-loss goals. Aim to burn 400 to 800 calories each time (or 600 to 1000 if you weigh over 100kg), and add to that a mega-session on Saturdays that burns 1000 calories or more.
According to WebMD, the number of calories a person should consume per day ranges from 1,800 to 3,000 calories, based on age, gender and daily activities. In general, men require more calories than women due to their larger size.