The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From Airtec Corporation:
TruckLog is an Electronic Log Book for Truck Drivers.It allows you to:- Log your Daily Activities- Record Mass Records for each Axle Group- Monitor your Fuel Usage- Email records as CSV/Excel filesThe application also allows you to setup vehicle profiles including trailers, log your daily activities including breaks, quickly record mass records for each axle group and monitor your fuel usage.You can change volumes, weights and fuel efficiency to the standards used in your country on the iPhone's settings screen.