According to the U.S. Census Bureau the average commute time for U.S. citizens who are neither working at home, nor walking or biking to work, is 25.9 minutes. My commute time from Karlsruhe to SAP is usually about 38 minutes one-way; often protracted by traffic jams. However, these can be avoided by departing at times where rush-hour traffic has not fully built up yet. But which departure time works best? Is it 07:00 or rather 09:00? When departing at 07:40 how much time could one save by departing just ten minutes earlier? In addition to the traffic conditions on the outbound trip, the delay on the way back has to be taken into account likewise. With about 9 hours and 20 minutes spent at work, the traffic at 16:20 matters for a departure at 07:00. For a 09:00 departure it would be 18:20.
Continue reading Commute Time Tracking
Tag: Car
Fuel Consumption in Neutral Gear
When a car is in neutral gear it still consumes fuel. The reason is that it has to keep the engine running which means keeping it above the engine’s specific min. revolutions per minute (rpm). For my testing car, a Toyota Yaris XP 90 (second generation; 3 doors; 1.33 liter 4 cylinder engine) this value equals approximately 600 rpm. Continue reading Fuel Consumption in Neutral Gear