Refactor code structure for improved readability and maintainability

report_gen/page_9.html

@@ -1,4 +1,4 @@
-<div class="w-full page bg-white" style="height: 297mm;"></div>
+<div class="w-full page bg-white">
   <!-- Header Section -->
   <div class="bg-black text-white px-6 py-4 flex items-center justify-between">
     <div class="flex items-center">
@@ -18,7 +18,7 @@
   <div class="px-8 py-12 flex flex-col items-center justify-center h-full">
     <!-- Fuel Utilization Chart -->
     <div class="w-full max-w-5xl">
-      <img src="{{ fuel_utilization_chart | default('../graphs/fuel_utilization_chart.png') }}" 
+      <img src="{{ fuel_utilization_chart }}" 
            alt="Fuel Utilization Report - Institute of Science, Health and Performance" 
            class="w-full h-auto object-contain">
     </div>